Best California King Mattress

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If your feet are constantly hanging over the edge of your mattress, your partner is sleeping just a little too close to you during the night, or you’re just someone who wants to feel like royalty, you might be on the search for the best California king mattress. These mattresses are significantly bigger than a queen bed, and obviously a full or twin, so they truly give a more luxurious sleeping experience to their users. Fortunately, me and my fellow mattress testers here at Sleepopolis have scoured our favorite brands to see which ones are currently offering California king mattress, and in this roundup, I’ve compiled a list of our favorite 10 mattresses just for you.

Obviously, the size of your mattress isn’t the only thing that you’re probably considering when searching for a new bed. Don’t worry, it’s not the only thing I’m considering, either. I ’ve put all of the mattresses on this list through a series of evaluations, including but not limited to a 15-minute rest test, a motion transfer test, and a pressure-map test. All of these tests help me see exactly who these mattresses are best for, and my conclusions can be found down below in the pros and cons section for each mattress on this list.

What’s the Difference Between a King vs. California King Mattress

California king mattresses are longer than king size mattresses, not wider. While standard king mattresses are 76 inches wide by 80 inches long, California king beds are 72 inches wide by 84 inches long.

Our Best California Mattress Top Pick

The DreamCloud gets the top spot on this list because it’s a great option for couples, hot sleepers, and back sleepers. Overall, it’s a nice option for folks who want a slightly softer feel but don’t want to sacrifice support.

Best California King Mattresses

Best California-Size Mattress 2024 Video Review

Compare the Best California King Mattresses

DreamCloud Original Mattress Nectar Mattress Helix Midnight Mattress WinkBed Mattress Brooklyn Bedding Signature Hybrid Mattress Nolah Evolution Hybrid Mattress Bear Original Mattress Saatva Mattress Brooklyn Bedding Plank Firm Mattress Titan Plus
DreamCloud Original Mattress Nectar Mattress Helix Midnight Mattress WinkBed Mattress Brooklyn Bedding Signature Hybrid Mattress Nolah Evolution Hybrid Mattress Bear Original Mattress Saatva Mattress Brooklyn Bedding Plank Firm Mattress Titan Plus
Rating
4.4
4.5
4.1
4.7
4.5
4.4
4.0
4.8
4.3
4.5
Firmness Firm: 7/10 Medium-firm: 6.5/10 Medium-firm: 6.5/10 Firm: 7/10 Medium-firm: 6.5/10 Multiple firmness options Firm: 7.5/10 Multiple firmness options Multiple firmness options Firm: 7.5/10
Material Hybrid Foam Hybrid Hybrid Hybrid Hybrid Foam Innerspring Foam Hybrid
Cooling
Best For
Back Sleepers,
Hot Sleepers,
Seniors
Back Sleepers, Back Pain, Stomach Sleepers, Side Sleepers, Couples
Couples,
Back Sleepers,
Side Sleepers
Back Sleepers, Stomach Sleepers, Back Pain, Hot Sleepers, Side Sleepers
Couples,
Back Sleepers,
Hip Pain
Side Sleepers, Back Sleepers, Hip Pain, Seniors,
Hot Sleepers, Back Sleepers, Side Sleepers, Hip Pain,
Back Sleepers, Stomach Sleepers, Back Pain, Hot Sleepers, Seniors
Stomach Sleepers,
Back Pain,
Seniors
Back Sleepers, Stomach Sleepers, Back Pain, Hip Pain, Seniors

What I Look For In The Best California King Mattress

Comfort and Pressure Relief

When you are in the market for a California King mattress, one of your priorities may be comfort and the ability of the mattress to relieve pressure. We also prioritized these things and tested each of the mattresses on this list for their comfort by analyzing the materials and construction and conducting comfort tests by laying on the mattresses ourselves. We also used a pressure map to test what areas of the body got the best pressure relief on each mattress to help you find the right California King for you.

Temperature Regulation

Staying cool and keeping your temperature regulated throughout the evening is important in all mattresses, so we made sure to test the temperature-regulating properties of each of these mattresses. To do this, we used a thermal heat gun to test the change in temperature of these mattresses after laying on them for five minutes. Doing so allowed us the chance to help you find the best cooling California King bed.

Durability

Your new California King should help you stay supported, comfortable, and cool, but it should also be durable. We tested the durability of these mattresses by examining the quality of their materials and construction, as well as testing out each individual mattress ourselves to examine how durable they are. This will help you find the best California King mattress that will last you a long time.

DreamCloud – Best Overall

Best Overall
Sleepopolis Score
We rate each mattress on a scale from 1 to 5 to reflect its overall quality. This number is comprised of individual scores from hands-on testing of materials, firmness, pressure relief, motion transfer, cooling, responsiveness, and more.
4.4
DreamCloud
DreamCloud Original Mattress
Firm, Supportive Feel
Cashmere-Blend Cover
Responsive Springs
Hybrid
365 nights
Free shipping
Cyber Weekend Extended
Up to 50% off mattresses + spend $1,000 and save $100 See Details
SO Brand Icon MattressMaterial
Material
This is a hybrid mattress, meaning it combines soft foams and sturdy coils for a balance of comfort and support.
SO Brand Icon PropertyFirmness
Firmness
We rated the DreamCloud a 7 out of 10 on our mattress firmness scale, where 1 is the softest and 10 is the firmest. A 7 means that the DreamCloud is fairly firm.
SO Brand Icon PropertyPrice
Price
$839–$2,178 (before any discounts)
so brand icons 2023 Mattress Review Home Page
Size
Twin, twin XL, full, queen, king, California king, split king
SO sleeper type back sleepers
Back Sleepers
You should get enough cushioning for your lumbar region and enough support for a neutral spinal alignment.
SO sleeper type hot sleepers
Hot Sleepers
The coils in the support layer leave plenty of room for airflow.
SO sleeper type stomach sleepers
Combination Sleepers
The DreamCloud is responsive enough for you to easily change positions.
Pros of the DreamCloud
Soft memory foam for cushioning at the lumbar region and sturdy coils for spinal support.
Springs that provide a lot of bounce and responsiveness, both of which help you change positions.
Strong edge support, allowing couples to use the whole surface of the bed.
Cons of the DreamCloud
Not enough contouring at the shoulders and hips to be one of the best mattresses for side sleepers.
SO Brand Icon PropertyShipping
Shipping
Free shipping
SO Brand Icon PropertyTrialPeriod
Trial Period
365 nights
SO Brand Icon MattressWarranty
Warranty
Lifetime warranty
so brand icons 2023 Editorial Policy Home Page copy
Returns
Free returns after at least 30 days and within the 365-night trial period

With soft foam and a sturdy layer of innerspring coils, the DreamCloud strikes a balance between comfort and support — a little bit of contouring up top and on-top-of-the-bed feel that comes from the bottom. It’s a fairly firm mattress that we think is most comfortable for back sleepers. It also has some luxury touches such as a cashmere-blend cover that are reminiscent of a high-end hotel. Learn more in our DreamCloud video review.

What our tester says:

“I really like how luxurious this mattress feels and how it could work for a variety of sleepers. Along with that, I found that the breathable cashmere cover helps the DreamCloud sleep cool throughout the night. Thanks to its medium-firm to firm support, I think the DreamCloud is a durable mattress. It balances support with plenty of pressure relief for back sleepers.” – Bridget Chapman, former Sleepopolis senior product editor

DreamCloud Mattress Scores

Poor
Average
Excellent

1
2
3
4
5
4.5
Materials
3.5
Motion Isolation
4.5
Support
4.5
Value
4
Cooling
4.5
Pressure Relief
5
Responsiveness
4.5
Edge Support
5
Trial Period
5
Warranty

Expert Opinion

For those in need of a California king hybrid — a bed utilizing plush comfort layers and sturdy coils — set your sights on the DreamCloud. This is a luxury hybrid mattress with a feel similar to what you’d find in a high-end hotel: supportive, durable, and springy. Plus, this is the brand’s most popular model for a reason — it lives up to its dreamy name. All of this and more is why I’ve dubbed it the best overall California king mattress.

The comfort layers included in the DreamCloud include gel memory foam, which not only helps to get rid of trapped body heat, but also has a slow responsive to pressure, helping to alleviate pain for sleepers with sensitive joints. At the same time, the DreamCloud also includes individually wrapped coils that add some bounce and support. To paraphrase, the DreamCloud really is the best of both worlds.

side sleeper on dreamcloud memory foam mattress
Testing the DreamCloud for side sleepers.
DreamCloud Foam ConstructionGraphics 1
Look closer into the layers of the DreamCloud.
dreamcloud memory foam edge support
Testing the DreamCloud’s edge support.

What our tester says: “The DreamCloud felt super luxurious to me. It’s very supportive and offers a plush feel. I really appreciate the high-quality materials used in its construction.” – Bridget Chapman, former senior product editor

What Customers Say

The majority of the reviews on the DreamCloud website state how impressed they were with the price of this mattress. The total price for a California king DreamCloud mattress is $1,669, but with the constant deals on this website, many users stated that they got a California king for under $1,000.

Pros of the DreamCloud Mattress

  • Combination sleepers should love the innerspring coils present in the DreamCloud. These coils help sleepers feel more lifted on the bed, instead of sinking into it. This is great for combo sleepers who need to be able to move around and switch positions easily on top of their mattress.
  • The spaces between these coils also provides extra airflow to increase the breathability of this mattress (a big win for hot sleepers).
  • Lightweight sleepers should rest comfortably on the DreamCloud, regardless of their sleeping position. Lightweight back and stomach sleepers should get the support they need, since this mattress will feel firmer to their frame. At the same time, lightweight side sleepers should still get enough pressure relief for their hips and shoulders.

Cons of the DreamCloud Mattress

  • Strict side sleepers over 130 pounds might find that the DreamCloud is a little too firm for their liking. These sleepers need a soft mattress that provides extra pressure relief at the hips and shoulders.

Think the DreamCloud is the mattress for you? Click here for our best deal, or check out our full DreamCloud mattress review. Still not sold? Take a look at our roundup of the best mattresses of 2024.

Nectar – Best California King Mattress for Joint Pain 

Best for Joint Pain
Sleepopolis Score
We rate each mattress on a scale from 1 to 5 to reflect its overall quality. This number is comprised of individual scores from hands-on testing of materials, firmness, pressure relief, motion transfer, cooling, responsiveness, and more.
4.5
Nectar
Nectar Mattress
Medium-Firm
Cooling Cover and Foam
CertiPUR-US Certified
Memory Foam
365-night trial and lifetime warranty
Free shipping
Cyber Weekend-Extended
Up to 50% off mattresses + spend $1,000 and save $100 See Details
SO Brand Icon MattressMaterial
Material
Memory Foam
SO Brand Icon PropertyFirmness
Firmness
We rated the Nectar as a 6.5 out of 10, meaning it’s the industry standard for medium firm
SO Brand Icon PropertyPrice
Price
$931–$2,121 (before any discounts)
so brand icons 2023 Mattress Review Home Page
Size
Twin, twin XL, full, queen, king, California king, split king
SO sleeper type back sleepers
Back Sleepers
If you sleep on your back, the Nectar will provide a nice mix of cushioning and support.
SO Sleeper Type Icons BudgetShoppers
Budget Shoppers
This affordable mattress is a great pick for those looking to save.
SO sleeper type stomach sleepers
The Nectar is that rare foam mattress that’s supportive enough for stomach sleepers, and should keep their hips aligned with their shoulders.
Pros of the Nectar
The Nectar offers a balanced feel, with contouring and support in equal measure.
Back sleepers should feel supported, but pleasantly cushioned on the Nectar.
Couples shouldn’t be too disturbed by movement, as the Nectar isolates motion well.
Cons of the Nectar
The Nectar isn’t supportive enough to be one of the best mattresses for heavy sleepers, which accommodate folks weighing 250 pounds or more. While heavy side sleepers might be comfortable, heavy back sleepers with chronic pain will need something softer and heavy stomach sleepers will probably need something firmer.
SO Brand Icon PropertyShipping
Shipping
Free shipping
SO Brand Icon PropertyTrialPeriod
Trial Period
365 nights
SO Brand Icon MattressWarranty
Warranty
Lifetime warranty
so brand icons 2023 Editorial Policy Home Page copy
Returns
Full refund and free returns within the 365-night trial period

The Nectar delivers a balance of comfort and support: it’s definitely contouring, but still provides a firm enough foundation for most light to average weight sleepers, especially if they sleep on their back or stomach. Plus, a lengthy trial period, lifetime warranty, and affordable price make the Nectar a reassuring choice for many. Watch our video review to learn more.

What our tester says:

“I think back sleepers would be especially happy on this bed. They’ll get plenty of support from the firm memory foam in the Nectar Classic, which should translate to great pressure relief and a good night’s sleep. Hot sleepers who have to have a memory foam mattress should also have no trouble at all falling asleep on this bed.” – Nichole Mondshein, lead reviewer and staff writer

Nectar Mattress Performance Score

Poor
Average
Excellent

1
2
3
4
5
4
Materials
3.5
Motion Isolation
5
Support
4.5
Edge Support
4.5
Cooling
4
Responsiveness
4.5
Pressure Relief
5
Trial Period
5
Warranty
4
Value

Expert Opinion

If you’re looking for a California king that’s easy on the joints, then I highly recommend the Nectar. I put this all-foam mattress through my pressure map test, which is where I lay a specialized mat across the mattress and then lie down in different positions to see how much pressure is exerted in each one. For the Nectar, every single sleeping position lit up blue and green, which equates to low pressure. This is great for anyone suffering with joint pain or arthritis, as they can still sleep in their preferred position without worrying about activating their pain.

In general, the Nectar includes an especially thick layer of memory foam on top of its construction that closely contours the pain points on my body, resulting in a lot of pressure relief. This extra foam also allows sleepers to really sink into the mattress’s layers, instead of feeling like they’re more “on top” of their mattress.

nectar classic hybrid side sleeping
Nichole testing the Nectar for side sleepers.
nectar classic edge support3
Nichole performing the yard stick test to measure edge support.
nectar classic water test 1
Testing motion isolation on the Nectar.

What our tester says: “I think the Nectar is a great value for folks wanting a memory foam feel with a little bit of responsiveness. The foams contoured nicely around my joints and offered great relief.” – Bridget Chapman, former senior product editor

What Customers Say

Multiple reviews on the Nectar website came from heavier sleepers (those over 250 pounds). These comments all stated that their weight did not make any difference in the comfort of this mattress, and they had no problem with sinkage or sagging on the Nectar.

Pros of the Nectar Mattress

  • With a score of 6 on our firmness scale, the Nectar is a softer mattress that gives off more of a cradled, sinking feel to the sleeper. This is great for side sleepers that need extra cushioning around their sensitive joints throughout the night.
  • This mattress includes a cover made with heat-wicking technology. This helps keep hot sleepers from overheating during the night, and couples should appreciate the extra breathability and airflow.
  • The Nectar is adept at isolating motion. This means that sleepers shouldn’t feel the tossing or turning of their partner during the night.

Cons of the Nectar Mattress

  • The Nectar is most likely not going to be supportive enough for strict stomach sleepers. These sleepers need a mattress that is firm enough to keep their hips in line with their shoulders in order to promote a healthy spinal alignment. I recommend these folks take a look at our roundup of the best mattresses for stomach sleepers for some firmer options.

Think the Nectar is the mattress for you? Click here for our best deal, or check out our full Nectar mattress review. Still not sold? Take a look at our roundup of the best mattresses for arthritis.

Helix Midnight – Best Hybrid California King Mattress

Best Hybrid Mattress
Sleepopolis Score
We rate each mattress on a scale from 1 to 5 to reflect its overall quality. This number is comprised of individual scores from hands-on testing of materials, firmness, pressure relief, motion transfer, cooling, responsiveness, and more.
4.2
Helix
Helix Midnight Mattress
Cooling Mattress
Medium-Firm Comfort
Reinforced Edges
Hybrid mattress
100-night trial on all mattresses
Free shipping on all orders
Cyber Monday Sale
Use code SLEEPOPOLIS27 for 27% off sitewide + 2 free pillows with mattress purchase See Details
SO Brand Icon MattressMaterial
Material
This is a hybrid mattress, meaning it combines soft foams and sturdy coils for a balance of comfort and support.
SO Brand Icon PropertyFirmness
Firmness
We rated the Helix Midnight a 6 out of 10 on the firmness scale, where 1 is the softest and 10 is the firmest. This means it’s slightly softer than the industry standard (6.5 out of 10).
SO Brand Icon PropertyPrice
Price
$937–$1,749 (before any discounts)
so brand icons 2023 Mattress Review Home Page
Size
Twin, twin XL, full, queen, king, California king
SO sleeper type side sleepers
Side Sleepers
Ideal for average weight side sleepers.
SO sleeper type back sleepers
Back Sleepers
Ideal for back sleepers of all weights.
SO sleeper type couples
Couples
This bed has great motion isolation, so you shouldn’t feel your partner tossing and turning at night.
Pros of the Helix Midnight
Back sleepers should get some cushioning in the lumbar region, and the coils will help keep their spines neutrally aligned.
Side sleepers should experience nice pressure relief and contouring at their shoulders and hips. For extra pressure relief, we recommend the Helix Midnight Luxe, the standard Helix Midnight’s luxury version.
The Helix Midnight has low motion transfer, which means partners aren’t likely to feel each other moving around at night.
The Midnight is a responsive mattress, so it’s ideal for combination sleepers.
Cons of the Helix Midnight
Not supportive enough for people over 250 pounds. For them, we recommend one of the best mattresses for heavy people.
SO Brand Icon PropertyShipping
Shipping
Free Shipping
SO Brand Icon PropertyTrialPeriod
Trial Period
100 nights
SO Brand Icon MattressWarranty
Warranty
10-year warranty
so brand icons 2023 Editorial Policy Home Page copy
Returns
You can return your bed after the 30-day “break-in” period and before the trial period ends for a full refund.

The Helix Midnight is amongst Helix’s line of six standard mattresses. It’s known for its more balanced feel, allowing it to accommodate a wide range of sleepers. We also recommend it for couples, as it scored well on our motion isolation, responsiveness, edge support, and cooling tests. For a plusher and more cooling version of this mattress, see the Helix Midnight Luxe. Learn more in our video review.

What our tester says:

“I would recommend this mattress for side or back sleepers because it’s supportive, without putting pressure on your joints.” – Nichole Mondshein, lead reviewer and staff writer

Helix Midnight Mattress Scores

Poor
Average
Excellent

1
2
3
4
5
4
Materials
3.5
Motion Isolation
4
Support
4
Edge Support
4.5
Cooling
4.5
Responsiveness
4.5
Pressure Relief
3.5
Trial Period
3.5
Warranty
4
Value

Expert Opinion

As a part of Helix’s original line of hybrid mattresses (each with a different firmness), the Helix Midnight is a medium-firm bed that features plush memory foam layered over pocketed coils for a nice balance of pressure relief and support. The versatility of this California King mattress allows it to appeal to many different types of sleepers, including back, side, combination, and some stomach sleepers (usually if they’re lightweight).

But what’s the best part about this royal bed? A California king sized Helix Midnight comes in at around $1,700, which is a steal compared to some queen sized mattresses on the market right now. This price is also before any Sleepopolis sales or discounts that can be applied when purchasing from Helix.

Nichole testing back pressure relief Helix Midnight Luxe
Nichole testing pressure relief in the back-sleeping position on the Helix Midnight.
Helix Midnight MotionTransfer
The seismograph results of the Helix Midnight.
Helix Midnight Mattress Construction
The Helix Midnight’s construction layers.

What our tester says: “I felt really comfortable back and side sleeping on the Helix Midnight. Its cushy foams offered me pressure relief, while its pocketed coils offered support.” – Bridget Chapman, former senior product editor

What Customers Say

Customers on the Helix website love how versatile this mattress is. Many users talked about how difficult it is to find a mattress that fits both you and your partner’s preferred sleeping positions, but the Helix Midnight did just that. Its combination of support and cushioning allows it to work for the majority of sleeping positions.

Pros of the Helix Midnight Mattress

  • Sleepers who suffer from shoulder pain should feel some relief after sleeping on the Helix Midnight. The cushioning in this mattress prevents stiffness around the joints, which helps these sleepers wake up without that achy pain around their shoulders.
  • The Helix Midnight includes a Tencel cover that helps with temperature regulation, and as a hybrid mattress, the space between coils helps promote airflow throughout the bed. This is great news for hot sleepers or couples who have double the body heat under their covers.
  • The Helix Midnight includes a support layer with individually wrapped coils. This gives this mattress an extra-bouncy and responsive feel, which is great for combination sleepers who need to be able to switch positions and move around easily on top of their mattress.

Cons of the Helix Midnight Mattress

  • Heavier sleepers probably won’t be able to get the support they need from the Helix Midnight. These sleepers could try out the Luxe version of this mattress instead, but I recommend they also take a look at our roundup of the best mattresses for heavier sleepers to see some other options.

Think the Helix Midnight is the mattress for you? Click here for our best deal, or check out our full Helix Midnight mattress review. Still not sold? Take a look at our roundup of the best hybrid mattresses of 2024.

WinkBed – Best California King for Back Pain 

Best for Back Pain
Sleepopolis Score
We rate each mattress on a scale from 1 to 5 to reflect its overall quality. This number is comprised of individual scores from hands-on testing of materials, firmness, pressure relief, motion transfer, cooling, responsiveness, and more.
4.7
WinkBeds
WinkBed Mattress
Firm, Supportive Feel
Euro Pillow Top
Sturdy Coils
Hybrid
120 nights
Free shipping
Holiday Sale
$300 off any mattress See Details
SO Brand Icon MattressMaterial
Material
Hybrid, combining a plush pillow top with coils and foams for a luxury feel.
SO Brand Icon PropertyFirmness
Firmness
Multiple firmness options: Softer, Luxury Firm, and Firmer. We tested the Luxury Firm and scored it a 7 out of 10, meaning it’s on the firmer side of medium-firm.
SO Brand Icon PropertyPrice
Price
$1,149–$2,049 (before any discounts)
so brand icons 2023 Mattress Review Home Page
Size
Twin, twin XL, full, queen, king, California king
SO sleeper type hot sleepers
Hot Sleepers
If you often overheat while you sleep, this mattress should help you stay cool.
SO sleeper type back pain
Back Pain
This bed is ideal for anyone suffering from back pain.
SO sleeper type back sleepers
Back Sleeping
A great option for lightweight and average weight back sleepers.
Pros of the WinkBed
Back sleepers should get the support they need
It has a traditional, supportive feel
The WinkBed has cooling capabilities to help people who sleep hot
Sturdy edge support and good motion isolation make this a good choice for couples
Cons of the WinkBed
It lacks a contouring, slow-sinking feel that most associate with the best memory foam mattresses.
It may be too pricey for some, and we recommend those shoppers browse the best mattresses under $1,000.
SO Brand Icon PropertyShipping
Shipping
Free Shipping
SO Brand Icon PropertyTrialPeriod
Trial Period
120 nights
SO Brand Icon MattressWarranty
Warranty
Lifetime warranty
so brand icons 2023 Editorial Policy Home Page copy
Returns
Full refund within the 120-night trial period

The WinkBed is a luxury hybrid mattress. It has a similarly supportive and sturdy feel to a traditional innerspring mattress, but upgrades like a Euro top and cooling Tencel cover give it a touch of modern luxury. Available in three firmness levels, there is a WinkBed for just about every sleeper. And a responsive and bouncy feel makes it a great pick for combination sleepers. Learn more in our video review.

What our tester says:

“If you like the feel of a traditional innerspring mattress, the WinkBed could work for you. Since this bed offered great pressure relief around my lumbar region, I’d also recommend it to folks who suffer from lower back pain.” – Nichole Mondshein, lead reviewer and staff writer

WinkBed Mattress Scores

Poor
Average
Excellent

1
2
3
4
5
4.5
Materials
4
Motion Isolation
4.5
Support
4
Value
4.5
Cooling
4
Responsiveness
4.5
Pressure Relief
4
Edge Support
4
Trial Period
5
Warranty

Expert Opinion

The best California king for back pain needs to have a balance of comfort and support. That way, the sleeper‘s hips and lumbar region are both cushioned and elevated at the same time, which leads to a neutral spinal alignment. I think the WinkBed does a fantastic job at this, as it has an extra-tall layer of coils that offer a ton of support. I even tested it out my by taking a 15-minute power nap on top of the WinkBed. Throughout my nap, I felt elevated and neutrally aligned.

To further test the pressure relieving abilities of the WinkBed, I put it to my pressure map test. This involves rolling a specialized mat across the bed, which then uses thermal imaging to create a graphic that visually shows us how much pressure is being put on certain areas of the body. For the WinkBed, the graphic showed little to no pressure at the lumbar region — further proof that this is an excellent mattress for anyone dealing with back pain.

Nichole doing the yardstick test on the WinkBed
Nichole measuring the edge support of the WinkBed.
Nichole testing the WinkBed cover
Nichole testing the WinkBed’s cover.
Nichole back sleeping on the WinkBed
Nichole back sleeping on the WinkBed.

What our tester says: “If you like the feel of a traditional innerspring mattress, the WinkBed could work for you. It has a traditional, supportive feel. I’d also recommend it to folks who suffer from lower back pain.” – Bridget Chapman, former senior product editor

What Customers Say

We cannot overstate how many users commented on the WinkBed’s ability to relieve back pain. Scrolling through the reviews on the WinkBeds website, almost every user stated that they began waking up pain-free shortly after buying their WinkBed, with some having previously had back pain for nine years.

Pros of the WinkBed Mattress

  • The WinkBed only uses CertiPUR-US Certified foams in its construction. Because of this, this mattress is free from harmful chemicals, heavy metals, and fiberglass.
  • The reinforced edges included on the WinkBed created solid edge support for this mattress. This is great for couples who want to spread out and use the full surface area of their mattress without fear of sinkage or falling off near the sides.
  • Lightweight sleepers should sleep well in all positions on the WinkBed. The slightly firm feel of this mattress combined with the softer Euro pillow top makes it sturdy enough for lightweight back and stomach sleepers, while also providing enough pressure relief for lightweight side sleepers.

Cons of the WinkBed Mattress

  • The WinkBed has a traditional innerspring feel that places you more “on top” of the mattress than in it. So if you love the soft and slow sinkage of memory foam, it probably isn’t the mattress for you. Instead, check out our roundup of the best memory foam mattresses currently on the market.

Think the WinkBed is the mattress for you? Click here for our best deal, or check out our full WinkBed mattress review. Still not sold? Take a look at our roundup of the best mattresses for back pain.

Brooklyn Bedding Signature Hybrid – Best California King for Couples

Best for Couples
Sleepopolis Score
We rate each mattress on a scale from 1 to 5 to reflect its overall quality. This number is comprised of individual scores from hands-on testing of materials, firmness, pressure relief, motion transfer, cooling, responsiveness, and more.
4.5
Brooklyn Bedding
Brooklyn Bedding Signature Hybrid Mattress
Medium-Firm Comfort
Budget-Friendly
Responsive Coils
Hybrid
120 nights
Free shipping
Cyber Monday Sale
Use code CYBER30 for 30% off sitewide See Details
Icon MattressReviews MattressType 250
Material
Hybrid (this bed combines both memory foam and coils)
SO Brand Icon PropertyFirmness
Firmness
Multiple firmnesses: Soft, Medium, Firm. We tested the Medium and rated it a 6.5 out of 10, making it medium-firm.
SO Brand Icon PropertyPrice
Price
$665–$1,599 (before any discounts)
so brand icons 2023 Mattress Review Home Page
Size
Twin, twin XL, full, queen, king, California king, and more
SO sleeper type couples
Couples
Those who sleep with a partner shouldn’t notice their partners shift around during the night.
SO sleeper type back sleepers
Back Sleepers
Most average weight back sleepers should find a good balance of comfort and support.
SO sleeper type stomach sleepers
Combination Sleepers
Those who change sleeping positions should find this bed easy to move on.
Pros of the Brooklyn Bedding Signature Hybrid
It’s a good choice for budget shoppers. With a discount, queen sizes are often under $1,000
Back sleepers should find both comfort and support on the Medium model, which can help alleviate back pain
Brooklyn Bedding offers this bed in different firmnesses, making it a versatile option
The combination of coils and foam makes this mattress very easy to move around on
Cons of the Brooklyn Bedding Signature Hybrid
It doesn’t have that sinking-in feeling often found in the best memory foam mattresses
The Medium mattress is too firm for side sleepers and too soft for stomach sleepers (though the Soft or Firm model may work, respectively)
SO Brand Icon PropertyShipping
Shipping
Free shipping
SO Brand Icon PropertyTrialPeriod
Trial Period
120 Nights
SO Brand Icon MattressWarranty
Warranty
10-year warranty
so brand icons 2023 Editorial Policy Home Page copy
Returns
Full refund within the 120-night trial. Brooklyn Bedding charges a $99 pick up fee

The Brooklyn Bedding Signature Hybrid mattress combines a foam comfort layer and sturdy coils. This combination of materials makes it bouncy and easy to move around on. It comes in three firmness levels, and we recommend the Medium model for most back sleepers. It’s a great choice for shoppers who are looking for a new mattress on a budget. For more information, check out our video review.

What our tester says:

“Given that the Signature Hybrid has some excellent bounce, I’d highly recommend this mattress for combination sleepers who often change positions multiple times throughout the night. I also think the Signature Hybrid could be a great fit for couples. You shouldn’t be overly disturbed by a restless partner on this bed, and it has nice, firm edge support.” – Nichole Mondshein, lead reviewer and staff writer

Signature Hybrid Mattress Performance Scores

Poor
Average
Excellent

1
2
3
4
5
4
Materials
3.5
Motion Isolation
4.5
Support
4.5
Edge Support
4.5
Cooling
5
Responsiveness
4.5
Pressure Relief
4
Trial Period
3.5
Warranty
4.5
Value

Expert Opinion

California kings are a wonderful mattress size for couples because they provide lots of legroom and easily fit two sleepers. The best mattresses for couples are also cooling, durable, and good at isolating motion. I think the California king Signature Hybrid checks these boxes. First of all, it includes a breathable cover and comfort layer, as well as coils for added airflow throughout the mattress. At the same time, these coils also add to the Signature Hybrid’s durability, as coils are much more supportive than foams usually are.

We also put the Signature Hybrid through my motion isolation test, where I drop three steel balls of varying weights onto the mattress and then measure how much movement occurred using a seismometer. The Signature Hybrid showed little to no movement rippling across its surface, which proves that you shouldn’t feel your partner getting out of bed or tossing and turning during the night.

Nichole testing side sleeping pressure relief on Brooklyn Bedding's Signature Hybrid
Nichole testing the pressure relief of the Brooklyn Bedding Signature Hybrid.
Nichole testing the edge support on Brooklyn Bedding's Signature Hybrid
Nichole testing the edge support of the Brooklyn Bedding Signature Hybrid.
Nichole doing the wine test on Brooklyn Bedding's Signature Hybrid
Nichole conducting the wine test on the Brooklyn Bedding Signature Hybrid.

What our tester says: “I also like that this mattress offers an ‘on-top-of-the-bed,’ plush feel. I think it’s a great choice for combination sleepers who need a mattress that makes it easy to change positions at night. I’d highly recommend considering the Signature Hybrid if you switch positions frequently throughout the night.” – Bridget Chapman, former senior product editor

What Customers Say

Multiple users on the Brooklyn Bedding website commented on how little movement they feel from their partner during the night. These reviews also praise the edge support of the Signature Hybrid, as it allows them to spread out on their mattress, which they were unable to do with their previous bed.

Pros of the Signature Hybrid Mattress

  • Lightweight sleepers who primarily rest on their back or stomach should feel at home on the Signature Hybrid. This is because the hybrid nature of this mattress offers a good balance of pressure relief and support. The foams allow for sleepers to sink into the mattress around their joints, while still keeping their spine in a neutral alignment on the coils.
  • Combination sleepers should appreciate the Signature Hybrid because, as a hybrid, its coils allow sleepers to easily move around on top of the mattress. This allows combo sleepers to switch positions as needed throughout the night.
  • The bouncy and responsive nature of the Signature Hybrid makes it a great mattress for sex, as couples can easily move around and switch positions on top of this mattress.

Cons of the Signature Hybrid Mattress

  • Sleepers who suffer from shoulder pain most likely won’t receive the pressure relief they need from the Signature Hybrid. During my pressure map test, the shoulder area lit up yellow, which signifies there are more pressure forming in that area. These sleepers might want to check out our roundup of the best mattresses for shoulder pain instead.

Think the Brooklyn Bedding Signature Hybrid is the mattress for you? Click here for our best deal, or check out our full Brooklyn Bedding Signature Hybrid mattress review. Still not sold? Take a look at our roundup of the best mattresses for couples.

Nolah Evolution – Best California King Mattress for Side Sleepers

Best for Side Sleepers
Sleepopolis Score
We rate each mattress on a scale from 1 to 5 to reflect its overall quality. This number is comprised of individual scores from hands-on testing of materials, firmness, pressure relief, motion transfer, cooling, responsiveness, and more.
4.4
Nolah
Nolah Evolution Hybrid Mattress
Multiple Firmnesses
ArcticTex Cover
HDMax Support Coils
Hybrid Mattress
120-night Trial and Lifetime Warranty
Free shipping
Cyber Monday Sale
35% off sitewide + 2 free pillows + $150 off BedJet with mattress purchase See Details
Icon MattressReviews MattressType 250
Material
Hybrid, meaning this bed combines foam and coils in its construction.
SO Brand Icon PropertyFirmness
Firmness
Multiple Firmness Options: Plush, Luxury Firm, and Firm. We tested the Luxury Firm and rated it as 6.5 out of 10, meaning it is a medium-firm mattress.
SO Brand Icon PropertyPrice
Price
$1,499–$3,198 (before any discounts)
so brand icons 2023 Mattress Review Home Page
Sizes
Twin, twin XL, full, queen, king, California king, split king
SO sleeper type hot sleepers
Hot Sleepers
If you overheat while you sleep, this mattress may help you stay cool.
SO sleeper type side sleepers
Side Sleepers
Ideal for lightweight and average weight side sleepers.
back sleeper
Back Sleepers
Ideal for lightweight and average weight back sleepers.
Pros of the Nolah Evolution
Great for couples due to its good edge support and low motion transfer
Works for back sleepers who need good lumbar support
Side sleepers should appreciate the pressure relief
Cons of the Nolah Evolution
Too soft to be one of the best mattresses for stomach sleepers.
Bargain hunters may find this to be a bit pricier and may want to stick to the best mattresses for the money.
Doesn’t have a slow-moving memory foam feel that you’d find in the best memory foam mattresses.
SO Brand Icon PropertyShipping
Shipping
Free shipping and returns
SO Brand Icon PropertyTrialPeriod
Trial Period
120 Nights
SO Brand Icon MattressWarranty
Warranty
Lifetime warranty
so brand icons 2023 Editorial Policy Home Page copy
Returns
Full refund after 30 days and within the 120-night trial period

The Nolah Evolution’s hybrid construction offers the cushioning of memory foam with the responsiveness of coils. The Luxury Firm model is a good option for side and back sleepers due to its medium-firm feel, though there are Plush and Firm versions as well. Those who share a bed may also appreciate its low motion transfer, so you won’t be disturbed by a partner’s movements and its solid edge support to allow you to maximize surface area. For more information, check out our video review.

What our tester says:

“I laid down to rest on this mattress on my back — my primary sleep position. I felt comfortable, but also appreciated the cozy, plush top of the bed. After some time lying on my back, I switched over to my side. I didn’t find this position quite as comfortable, as I did feel some slight pressure buildup in my shoulder.” – Amelia Jerden, senior staff writer

Expert Opinion

If you’re a side sleeper on the hunt for the best California king mattress, you’ll want to keep the usual traits for your sleeping position in mind — namely softness and pressure relief at the shoulders and hips. With its two foam comfort layers and a true medium-firm score of 6.5 out of 10 on our mattress firmness scale, the Nolah Evolution fits the bill. When resting on my side, I felt the brand’s proprietary AirFoam ICE (a more breathable alternative to memory foam) hugging my shoulders and hips, all while a bottom layer of support coils prevented me from sinking too far into the bed’s layers. I should note that the Nolah Evolution comes in three different firmness levels: Plush, Luxury Firm, and Firm. I tested out the Luxury Firm.

I was also sure to put the Nolah Evolution through my pressure map test, just to see exactly how much pressure is being exerted on my body in the side-sleeping position. The map was mostly blue, with a tinge of green at the shoulders and hips. This shows that there shouldn’t be too much pressure buildup while side sleeping. And if you’re a side sleeper who struggles with shoulder pain and hip pain, you can always opt for the Plush model.

Testing the Nolah Evolution while side sleeping
Amelia testing the Nolah Evolution’s edge support.
MotionTransfer NolahEvolutionComfort
Seismograph results for the Nolah Evolution.
nolah evolution comfort plus feel
Testing the support of the Nolah Evolution.

What our tester says: “I love how the Nolah Evolution comes in three different firmness models, so you can choose the best fit for you. For the Luxury Firm model, I really appreciate its medium-firm feel. This mattress provides good pressure relief and body contouring. It’s a great choice for side sleepers, and back sleepers who like a softer mattress.”.” – Bridget Chapman, former senior product editor

What Customers Say

Although it’s unclear exactly how many reviews for the Evolution are on the Nolah website, it has an average customer rating of 4.9 out of 5 stars, with many of the testimonials coming from side sleepers. One review from a 74-year-old male sleeper praises the bed for being soft, yet also supportive.

Pros of the Nolah Evolution Mattress

  • The coils make it easy to move around and switch sleeping positions, which combination sleepers should appreciate.
  • Sleepers who suffer from back pain should love the cushy pressure relief that the Nolah Evolution gives them. My pressure map lit up almost completely blue during back sleeping, indicating that pain should be alleviated in this position.
  • The breathable foams and coils included in the construction of the Nolah Evolution allow for added airflow. This helps with overall breathability and works to combat the buildup of body heat. Hot sleepers should be comfortable on this mattress.

Cons of the Nolah Evolution Mattress

  • Strict stomach sleepers will most likely want to opt for a firmer mattress that keeps their hips lifted in line with their shoulders, promoting a healthy spinal alignment. They might be more comfortable on the Firm model, or they can check out our roundup of the best mattresses for stomach sleepers.

Think the Nolah Evolution is the mattress for you? Click here for our best deal, or check out our full Nolah Evolution mattress review. Still not sold? Take a look at our roundup of the best mattresses for side sleepers.

Bear – Best California King Foam Mattress

Best Foam Mattress
Sleepopolis Score
We rate each mattress on a scale from 1 to 5 to reflect its overall quality. This number is comprised of individual scores from hands-on testing of materials, firmness, pressure relief, motion transfer, cooling, responsiveness, and more.
4.1
Bear
Bear Original Mattress
Supportive Foam
Firm Comfort
Cooling Gel
Foam
120 nights
Free shipping
Black Friday Sale
Use code BLACK35 for 35% off sitewide + 2 free pillows with mattress purchase See Details
SO Brand Icon MattressMaterial
Material
Memory foam, with no coils in the construction.
SO Brand Icon PropertyFirmness
Firmness
We rated the Bear as a 7 out of 10, meaning it is just a touch firmer than medium firm.
SO Brand Icon PropertyPrice
Price
$786–$1,922 (before any discounts)
so brand icons 2023 Mattress Review Home Page
Size
Twin, twin XL, full, queen, king, California king, split king
SO sleeper type back sleepers
Back Sleepers
If you sleep on your back, you should feel well-supported on this bed.
SO sleeper type hot sleepers
Hot Sleepers
With the addition of the Celliant cover, the Bear keeps a cooler feel than some other foam beds.
SO Sleeper Type Icons BudgetShoppers
Budget Shoppers
This affordable mattress is a solid choice for those looking to save.
Pros of the Bear
The Bear’s firm and supportive feel makes it ideal for back sleepers
It doesn’t offer much sinkage, a benefit for those who prefer to feel “on top” of the bed
The optimal Celliant cover gives this foam bed a cooling touch
The Bear isolates motion well, so couples won’t be too disturbed by each other’s movements
Cons of the Bear
This bed is not supportive enough to be one of the best mattresses for heavy sleepers, which accommodate folks weighing 250 pounds or more
The lack of sinkage means the Bear isn’t the best for cushioning or pressure relief, which is crucial for the best mattresses for side sleepers and the best mattresses for arthritis
SO Brand Icon PropertyShipping
Shipping
Free shipping
SO Brand Icon PropertyTrialPeriod
Trial Period
120 Nights
SO Brand Icon MattressWarranty
Warranty
Lifetime warranty
so brand icons 2023 Editorial Policy Home Page copy
Returns
Full refund and free returns within trial period

Even though it’s made entirely of foam, the Bear has a firm, supportive feel that should be sturdy enough for back sleepers and stomach sleepers alike. Additionally, combination sleepers should be able to easily move around on its surface. You can also pay extra for a Celliant cover that may help with cooling and muscle recovery. Learn more in our video review.

What our tester says:

“I found the double poly foam construction produced a firm, supportive feel. Though you’re likely to sink into its top layer of memory foam, this sinkage is somewhat curbed by the taut poly foam transition layer. This means most folks are going to be positioned more “on top” of the structure than “in” it.” – Nichole Mondshein, lead reviewer and mattress tester

Bear Mattress Performance Scores

Poor
Average
Excellent

1
2
3
4
5
4
Materials
4
Motion Isolation
3.5
Support
4.5
Value
4
Cooling
4
Pressure Relief
4
Responsiveness
3
Edge Support
4
Trial Period
5
Warranty

Expert Opinion

Foam mattresses often get a bad reputation for trapping heat and sagging prematurely. However, this shouldn’t be a problem for the Bear, which I believe is a stellar all-foam California king. I found the Bear’s additional Celliant cover to be cool to the touch as soon as I laid down (however, this cover will add $130 to your overall total), and the memory foam included in the comfort layer of this mattress is infused with graphite cooling gel.

In addition to all these cool additions (get it?), the Bear also includes high-density support foam in its bottom foundation layer. This support foam is especially durable, so you count on this mattress lasting much longer than other all-foam beds currently on the market.

Nichole sitting on the corner of the Bear Original
Nichole sitting on the corner of the Bear Original.
Nichole testing the Bear Original on her side
Nichole testing the Bear Original on her side.
Nichole doing the wine test on the Bear Elite Hybrid
Nichole conducting the wine test on the Bear Elite Hybrid.

What our tester says: “I really appreciate the firm and responsive feel of the Bear mattress. Its combination of support and pressure relief makes it a great option for back sleepers struggling with back pain.” – Bridget Chapman, former senior product editor

What Customers Say

Many of the customers on the Bear website bought this mattress for their children. All of these users said that this mattress was perfect for a growing kid, as it was extremely durable and long-lasting, and it helped relieve the tired muscles from their kid’s more active lifestyle.

Pros of the Bear Mattress

  • The Bear does include some sinkage and contouring in its construction, but the majority of sleepers won’t feel like they’re sinking into this mattress. Instead, sleepers should feel like they’re more “on top” of the bed, making it easy to move around and switch positions. This should especially appeal to combination sleepers.
  • The Bear offers an additional Celliant cover that you can choose to top your mattress with, that should keep sleepers stay cooler longer. Bear also states that this material promotes blood flow throughout the body, helping with athletic recovery. While Sleepopolis cannot confirm or deny this, I can confidently say that this cover is helpful for hot sleepers. However, this cover will add an additional $130 to your total purchase, so keep that in mind before clicking “buy.”
  • The Bear received great motion transfer results, so couples shouldn’t be able to feel the movements of their partner throughout the night. This is due to the top layer of memory foam, which keeps movement from traveling across the top of the mattress.

Cons of the Bear Mattress

  • Heavier sleepers may find that the Bear doesn’t give them the support that they need. These sleepers might want to opt for an innerspring mattress instead, which should give them added stability and durability. If this sounds like a better fit, check out our roundup of the best mattresses for heavy sleepers.

Think the Bear is the mattress for you? Click here for our best deal, or check out our full Bear mattress review. Still not sold? Take a look at our roundup of the best memory foam mattresses.

Saatva – Best Innerspring California King Mattress

Best Innerspring Mattress
Sleepopolis Score
We rate each mattress on a scale from 1 to 5 to reflect its overall quality. This number is comprised of individual scores from hands-on testing of materials, firmness, pressure relief, motion transfer, cooling, responsiveness, and more.
4.8
Saatva
Saatva Mattress
Multiple Firmnesses
Cooling Mattress
Strong Edge Support
Innerspring
365-night trial and lifetime warranty
Free white glove delivery
Cyber Monday Sale
Up to $600 off See Details
SO Brand Icon MattressMaterial
Material
Innerspring, for a bouncy mattress that’s easy to move around.
SO Brand Icon PropertyFirmness
Firmness
Multiple firmness options. We tested the Luxury Firm model and scored it a 6.5 out of 10, meaning it’s the industry standard for medium firm.
SO Brand Icon PropertyPrice
Price
$935–$2,450 (before any discounts)
so brand icons 2023 Mattress Review Home Page
Size
Twin, twin XL, full, queen, king, California king, split king, split California king
SO sleeper type hot sleepers
Hot Sleepers
If you ever overheat while you sleep, this mattress should help you stay cool.
back pain
Back Pain
This bed is ideal for anyone suffering from back pain.
back sleeper
Back Sleeping
This mattress is ideal for back sleepers of all weights.
stomach sleeper
Stomach Sleeping
It’s also a nice option for lightweight and average weight stomach sleepers.
Pros of the Saatva
With three firmness options, most sleepers should find a Saatva model that works for them
The Saatva uses high-quality materials that will last you a long time
Its bouncy and responsive feel means it’s great for combination sleepers
The Saatva’s reinforced edges give it some of the best edge support we’ve ever seen
Cons of the Saatva
If you’re looking for lots of sinkage or amazing motion isolation, you’re better off with one of the best memory foam mattresses.
None of the Saatva Classic models will likely be supportive enough for heavy stomach sleepers. For these folks, we recommend the Saatva HD.
SO Brand Icon PropertyShipping
Shipping
Free white glove delivery
SO Brand Icon PropertyTrialPeriod
Trial Period
365 nights
SO Brand Icon MattressWarranty
Warranty
Lifetime warranty
so brand icons 2023 Editorial Policy Home Page copy
Returns
Full refund within the 365-night trial period. Saatva charges a $99 pick-up fee

The Saatva’s coil-on-coil construction provides a classic innerspring feel. It’s a good option for combo sleepers, who will want to feel free to switch positions and avoid feeling “stuck” in the mattress. It comes in three firmness levels, so you should be able to find one that suits your needs. The white glove delivery Saatva provides is an added perk and will save you the headache of getting rid of your old mattress (they take it away for free!). For more information, watch our video review.

What our tester says:

“I think the Saatva is a great option for back sleepers, as the Luxury Firm model provides enough cushioning for their lumbar region, but also lots of support to keep their spine in a neutral alignment.” – Nichole Mondshein, lead reviewer and staff writer

Saatva Mattress Sleepopolis Scores

Poor
Average
Excellent

1
2
3
4
5
5
Materials
3
Motion Isolation
5
Support
5
Edge Support
4.5
Cooling
5
Responsiveness
4.5
Pressure Relief
5
Trial Period
5
Warranty
5
Value

Expert Opinion

If you’re looking for a California king mattress with a firm and responsive feel, look no further than the Saatva. This luxury innerspring bed was made with two layers of coils toward the bottom, resulting in a ton of support and responsiveness. It’s similar to what you might experience on a more traditional mattress — lots of bounce and a more on-top-of-the-bed feel. However, I should note that there are three models, each with a different level of firmness: Plush Soft, Luxury Firm, and Firm. I tested out the Luxury Firm.

One of the biggest hallmarks of an innerspring mattress is that the coils make it easy to move back and forth. When I laid down on the Saatva, I very much found this to be the case. It was easy to roll around and change positions, which makes it one of the best mattresses for sex and combination sleepers.

Nichole doing the yardstick test with the Saatva Classic
Nichole measuring the edge support of the Saatva Classic.
Saatva Classic Wine Test
Nichole conducting the wine test on the Saatva Classic.
Nichole back sleeping on the Saatva Classic
Nichole back sleeping on the Saatva Classic.

What our tester says: “When I say that the Saatva has a coil-on-coil construction, I mean that it has two layers of springs, and that’s what makes up most of the mattress. Unlike a memory foam mattress or a hybrid mattress (which uses substantial amounts of springs and foam), it has a traditional innerspring feel — high on both firmness and support.” – Bridget Chapman, former senior product editor

What Customers Say

One of the most unique features about Saatva — and one that customers constantly talk about in their reviews — is free white glove delivery. The company will actually send someone to your house to set up your mattress and remove your old one, free of charge. This is especially convenient if you’re ordering a bigger size such as a California King.

Pros of the Saatva Mattress

  • Because it’s offered in three different firmness levels, there’s a Saatva for every sleeping position. I recommend the Luxury Firm for back sleepers, Plush Soft for side sleepers, and Firm for stomach sleepers.
  • Hot sleepers should stay cool on the Saatva, thanks to all of the coils in its construction, which leave plenty of room for airflow.
  • Seniors with mobility issues should also appreciate the Saatva, as its responsiveness makes it easy to get in and out of bed.

Cons of the Saatva Mattress

  • As a luxury mattress, the Saatva certainly isn’t the cheapest bed in the world. Anyone who’s on a budget may want to check out our roundup of most affordable mattresses instead.

Think the Saatva is the mattress for you? Click here for our best deal, or check out our full Saatva mattress review. Still not sold? Take a look our roundup of the best innerspring mattresses.

Plank Firm – Best Firm California King Mattress

Sleepopolis Score
We rate each mattress on a scale from 1 to 5 to reflect its overall quality. This number is comprised of individual scores from hands-on testing of materials, firmness, pressure relief, motion transfer, cooling, responsiveness, and more.
4.3