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Best Adjustable Beds for Split King Mattresses (2025)

Sleepopolis may earn a commission on sales through our affiliate links in this article. This commission allows us to run our testing lab and continue to bring our readers the most comprehensive information on sleep and related products. See our disclosures.

Split-king mattresses allow you and your bedmate to have your own side of the mattress — in all senses of the word. It’s essentially two twin XL mattresses pushed together, with the option to tailor each to your unique preferences and needs. If you’re looking to level up this already royal sleeping experience, why not consider adding an adjustable base?

“Adjustable bases are also great for helping to maintain proper spinal alignment, especially if you are experiencing pain and discomfort while resting on your back,” says our chief medical advisor, Dr. Raj Dasgupta. His advice, alongside the experience of our sleep experts, helped us figure out what to look for in the best adjustable beds for split-king mattresses.

We’ve tested over a dozen different frames and bases, including split-king versions, to get a feel of what works and what doesn’t. After evaluating these bases for quality, ease of use, and overall sleep enhancement, we gathered our list of favorites down below. 

Our Top Pick

The best adjustable bed for a split-king mattress is the Nectar Premier Adjustable Bed Frame, because it has all the frills: massage, underbed lighting, and preset positions for zero-gravity, anti-snoring, TV-watching, and two options to save your favorite memory positions. Our testers thought this bed was fairly straightforward to use in its split-king model, and it comes in at a reasonable price to boot.

6 Best Adjustable Bases for Split King Mattresses

Disclaimer: Please note that the content in this article is meant for informational purposes only and should not be construed as medical advice or serve as a substitute for seeing a medical professional regarding any sleep problems you may have. Please see your doctor regarding any urgent medical issues.

What I Looked for in Adjustable Beds for Split King

Adjustable bases are a big investment, so it’s important that you find one that works well for a split-king mattress. Here’s what I honed in on when deciding which frames made the cut:

  • Ease of use: Adjustable beds should make sleeping easier and more comfortable, and not require a ton of trial-and-error to figure out. Unfortunately, some manufacturers don’t realize that simpler is better, and trick out their bases to the nines. This can make things more difficult for consumers, so we focused on beds that we felt were straightforward and easy to use. We took a look at the remote design, any preset positions, and how quickly the bed responded to any inputs. We also awarded each bed an overall ease-of-use rating, alongside our final total experience score, each out of 5. You’ll notice that every mattress earned at least 4 out of 5 or higher in each category.
  • Features: An adjustable mattress can include everything from pinpoint massage to rave lights underneath. Whether you need that in your sleep hygiene routine is up to you, but our testers made sure to test out all the bases’ tricks before giving our final thoughts. We made sure each feature was accounted for and performed as advertised, explaining how they contributed to the adjustable base experience — and if they were worth their weight in gold. On this list, you’ll find bases that have every bell and whistle you could think of, as well as those more streamlined for adjustability only. 
  • Noise: As a light sleeper, the slightest out-of-place sound can jolt me out of sleep, let alone the mechanical whirring of an adjustable base. We know that many sleepers experience this same problem. Moreover, when it comes to a split king, there’s a chance that one partner could be maneuvering the base while the other is asleep, so silence becomes paramount. We used both our ears and a decibel-measuring app to see how loud each base got when in operation. No base earned below a 4 out of 5 for overall noise, and some even earned a perfect 5 for some of the quietest adjusting we’ve encountered.

Nectar Premier Adjustable Bed Frame – Best Adjustable Bed for Split King Overall

Nectar Premier Adjustable Bed Frame

Nectar Premier Adjustable Bed Frame

An upgrade of Nectar’s Comfort Classic Adjustable Base, the Premier features several luxury touches, including a massage feature, four USB ports, and five preset modes. And the split king size allows for two different angles at the same time.

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Pros
Reasonably priced
Quiet, smooth adjustments
Massage and underbed lighting
Cons
Advanced features may require a learning curve
Clunky remote

The Nectar Premier Adjustable Bed Frame is one step up from the brand’s standard adjustable frame, adding on nifty features like massage, USB charging, and underbed lighting. Our testers found this base moved smoothly and effectively, with one proclaiming that this is “the quietest base” they’ve tested thus far. It earned a 4.8 out of 5 score for overall experience, thanks to a plethora of 5-star ratings in noise level, ease of use, and comfort in the zero-gravity position. The base also retails for just under $1,400 for a split-king version, and it comes with a 60-day sleep trial and a 2-year warranty.

Looking at the flexibility of a Nectar Premier Adjustable Base with Nectar Split King mattresses
Our tester looking at the flexibility of a Nectar Premier Adjustable Base with Nectar Split King mattresses.

Our in-house tester noted that the bed moves “very smoothly” between positions. “You’ll hear the motor for maybe half a second before you actually start feeling the bed move,” she added. The base offers presets for TV-watching, book-reading, anti-snoring, and zero-gravity, plus the option to configure two saved positions yourself.

In the zero-gravity position, our tester felt “incredibly comfortable.” She explained, “I do think there is some good weightlessness here that most people would find relieves pressure. My testing partner, who would be categorized as a heavy tester, also agreed that was the case!”

She was also impressed by how upright you got in the TV-watching position. “I personally would prefer to have my feet slightly elevated because otherwise, I feel a little pressure on my lower back sitting like that for a long time,” she added. But that’s what the option for memory positions is for — the little adjustments to make things just right. 

When moving into either position, the Nectar Premier Adjustable Base was as quiet as a mouse. Our tester recorded decibel readings of 31 and 32 at the peak of the noise, which she described as “akin to the quietest whisper.” She added, “It’s also like a really muted hum, not any annoying squeakiness or pitchiness like you get with some beds.” She noted that the foot of the mattress sounded a bit louder than the head, but that it was ultimately negligible overall. 

While our tester eventually found the base easy to move, she noted that the remote wasn’t the most approachable at first glance. Since there’s a plethora of features with this bed, there are a lot of buttons on the remote, which can make things confusing.

“I don’t love the remote, but after you use it a few times, it’s not too bad,” she conceded. She did have to look up directions a few times for more complicated processes, like how to reset a memory position or unstuck the base when her partner accidentally locked it, but was ultimately able to find quick and practical answers.

If you’re looking for something simpler, check out the DreamCloud Adjustable Bed Frame. We also have a dedicated Nectar Premier Split King Adjustable Base Review if you want to learn more.

Our Nectar Premier Adjustable Bed Frame Sleepopolis Scores

Remote Design – 3.5
Noise Level – 5
Ease of Use – 5
Zero-G Position – 5
TV Position: – 4
Experience: – 4.8

Saatva Adjustable Base Plus – Best Luxury Adjustable Bed for Split King

Saatva Adjustable Base Plus

Saatva Adjustable Base Plus

The Saatva Adjustable Base Plus is a luxury adjustable bed featuring custom settings that allow sleepers to program their favorite positions, in addition to the pre-set positions available on the wireless remote.

Sleepopolis Score
5.00 / 5
Read Full Review
Check Price
Pros
Excellent zero gravity support
App-controlled option
Multiple massage features
Cons
Expensive
Hard to reset memory positions

The Saatva brand name is synonymous with luxury, so if you want that high-end touch to your new adjustable bed, check out the Adjustable Base Plus. It comes with a bunch of extras, like massage features, underbed lights, app control, and even a flashlight on the remote. It earned a 4.4 out of 5 rating for overall experience, plus a perfect score for its zero-gravity functionality. A split king normally retails for $2,500, so it is a bit pricey, but you’ll also get free assembly and a 15-year warranty with your purchase. 

Our tester With the Saatva Adjustable Base Plus
Our tester With the Saatva Adjustable Base Plus.

We got the chance to test out the split king version of the Saatva Adjustable Base Plus, and it was a big hit with our in-house tester. “It’s smooth even when only one side adjusts at a time,” she explained. “I didn’t notice any jerking or rough movement at all, and it moves quickly enough that you’re not waiting forever to get into position, but slowly enough that it feels safe.”

The zero-gravity positioning (designated as ZG on the remote) also earned a thumbs-up: “This is a fantastic choice if you’re a back sleeper and you want to relieve pressure on your lower back,” she said. “Of course, I think that it’s important to have a good mattress for back pain, along with the frame, but I do believe this position would be helpful.” She was also able to achieve a comfortable seated position in TV-watching mode, but noted that she would probably elevate her feet for more pressure relief in this position. 

“This base does adjust mostly quietly,” our tester said after giving the noise test a whirl. She recorded decibel readings of 35 dB and 41 dB. “This isn’t loud, but it is different,” she added. “Some adjustable bases just have a soft whirring noise, but this one is slightly more high-pitched.” She still didn’t think it would disrupt sleep, but it’s something to keep in mind if you have sensitive ears.

To control the Saatva Adjustable Base Plus, you’re blessed with both an app hookup and a wireless remote. This remote has a total of 16 buttons, which our tester thought was a touch too many. You could likely figure out which is which by process of elimination, depending on how familiar you are with adjustable bases, but it requires some practice and trial-and-error. 

Our tester encountered the most difficulty when trying to reset a saved position. She said, “ I tried looking up instructions online and found several options. Turns out, you have to unplug the base and totally reset it to reprogram it.” 

If you’re interested, another frame that we found easier to reset and reprogram was the Nectar Premier Adjustable Base. To find out more about this product, you can read more in our full Saatva Adjustable Base Plus review.

Our Saatva Adjustable Base Plus Sleepopolis Scores

Remote Design – 3.5
Noise Level – 4
Ease of Use – 4
Zero-G Position – 5
TV Position: – 4
Experience: – 4.4

DreamCloud Premier Adjustable Bed Frame – Best Split King Adjustable Bed for Heavy People

DreamCloud Premier Adjustable Bed Frame

DreamCloud Premier Adjustable Bed Frame

If you like to sit up in bed, raise your legs, or need an anti-snore feature, the DreamCloud Premier Adjustable Bed Frame could be a great choice.

Sleepopolis Score
4.60 / 5
Read Full Review
Check Price
Pros
Affordably priced
Quiet operation
Comfortable zero-gravity position
Cons
No TV watching preset

Sleepers over 230 pounds wanting an adjustable base will need something sturdy and supportive, and that’s just what the DreamCloud Premier Adjustable Bed Frame offers. This base doesn’t have the fancy features like massage, but it does have a 1,000-lb weight capacity and smooth adjustability. If you’re looking for an affordable yet quality base that can accommodate you, a partner, and a mattress, you’ll be set.

The DreamCloud Premier Adjustable Bed Frame earned a 4.6 out of 5 for overall experience, with highlights in its remote design (4.5 out of 5), ease of use (5 out of 5), and zero-gravity comfort (5 out of 5). You can purchase a split-king model for just $1,198, then enjoy a 60-night trial and 2-year warranty.

A woman sitting on the DreamCloud mattress, which is propped up at an incline on an adjustable base.
Our tester Riley Otis trying out the DreamCloud on an adjustable base.

My colleague Riley Otis gave the DreamCloud Premier Adjustable Bed Frame a whirl and found it to be a “pretty standard adjustable base” that “operated as expected.” She described it as “smooth, quick, and with minimal noise.” This extended to the setup of the frame; she unboxed a split king base, which came as two separate twin XL bases, and she was able to put them together on her own.

Riley described the noise when the base moved as a “slight whirring.” She recorded decibel readings of about 35 dB, which is still on the lower end. She added, “It’s not incredibly loud or disturbing.” Sleepers with sensitive ears should likely be able to sleep through their partners who are making any adjustments, thanks to the relatively quiet motors.

“With this base, you have your basic head and leg elevation, anti-snore, zero-gravity, flat, and two customizable presets,” Riley explained. She was especially impressed with the zero-gravity preset, saying that she felt “weightless with zero pressure building at the lower back.” She added, “It really does place you in the most optimum position.”

Riley was surprised to discover that the base had no TV preset, which we would consider a common feature among even the most basic adjustable bases. “To achieve this level of elevation, you’ll have to press the up button continuously,” she said. 

This might irk some folks, but you should still be able to rest comfortably upright on your mattress. If you want a frame that has TV and reading presets, check out the Nectar Premier Adjustable Base.

You can read more in our DreamCloud Premier Adjustable Frame review.

Our DreamCloud Adjustable Bed Frame Sleepopolis Scores

Remote Design – 4.5
Noise Level – 4
Ease of Use – 5
Zero-G Position – 5
TV Position: – 3
Experience: – 4.6

Helix Adjustable Base – Best Split King Adjustable Bed for Back Sleepers

Helix Adjustable Base

Helix Adjustable Base

The Helix Adjustable Base is a budget-friendly option that offers a variety of features, from massages to a zero gravity preset.

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Pros
Intense massage
Pressure-relieving zero-gravity position
Smooth adjustment operation
Cons
Slightly louder
Must be bought as two twin XLs

Adjustable bases are basically built for back sleepers. Spinal alignment is key for this sleeping position, and it’s more easily achieved through the zero-gravity preset or your own tweaks and adjustments to find comfort. One of our in-house testers, coincidentally a back sleeper, loved the Helix Adjustable Base for this position: “I am a back sleeper and often have to shift to my side to get more comfortable, but if I had a bed like this, I could totally sleep on my back all night,” she said.

She rated her experience with this base at a 4.8 out of 5, awarding it 5-out-of-5 ratings for ease of use and its zero-gravity position. Note that you will have to purchase two separate twin XL bases to make a split-king base, which comes to a combined total of about $1,700. The bases also come with a 10-year warranty and 30-day return policy.

Testing out the Helix Adjustable Base
Testing out the Helix Adjustable Base.

Our in-house tester found that maneuvering the base was “very smooth,” and even liked the feel of the remote. “The remote itself is easy to use, but it may take a minute to acclimate yourself to all the buttons,” she explained. There are a ton of presets to choose from, including three memory positions, TV, and that beloved zero-gravity, which should be great for back sleepers seeking a comfortable sleep surface.

“I love this zero-g position,” said our in-house tester, who also happens to be a back sleeper. “The head and feet angles are fantastic for making you feel weightless. I felt no pressure in my lower back at all, which is where I usually feel it.” This pressure relief could also prove useful for back sleepers dealing with back pain in that area.

Our tester was also impressed by the intensity of the massage. Usually, these beds only produce a gentle vibration that’s great for soothing you to sleep. But our tester likened it to a massage gun, and had the physical evidence to prove its power: “When I use massage guns, my nose starts itching. When I have used other massaging adjustable bases, nothing happens. But my nose started itching on the Helix! So it must be a good, powerful massage!”

Even though the decibel reading for this base’s noise test ran a bit high, our tester wasn’t about to write it off as a loud frame. “A measure of 45 dB is allegedly like ‘rustling leaves’” or a whisper,” she explained. “This is a touch louder than the other bases I have tested, though no noise from it is loud, clanking, or disruptive.”

She also noticed that moving the bed from a totally flat position seemed to start the motor about two seconds early before the bed actually started moving. “It’s not an issue or a dealbreaker,  just something I noticed,” she added.

You can check out quieter bases like the Nectar Premier and Brooklyn Bedding Ascension Luxe. Or you can read more in our dedicated Helix Adjustable Base review.

Our Helix Adjustable Base Sleepopolis Scores

Remote Design – 4.5
Noise Level – 4.5
Ease of Use – 5
Zero-G Position – 5
TV Position: – 4
Experience: – 4.8

Brooklyn Bedding Ascension Luxe Adjustable Power Base – Most Affordable Adjustable Bed for Split King

Brooklyn Bedding Ascension Luxe Adjustable Power Base

Brooklyn Bedding Ascension Luxe Adjustable Power Base

The Brooklyn Bedding Ascension Luxe Power Base comes with head-to-foot tilt adjustments, plus zero gravity and anti-aging posture presets. There are two USB ports and a built-in power-down battery box that is a self-sufficient and energy-efficient source of power.

Sleepopolis Score
4.80 / 5
Read Full Review
Check Price
Pros
Whisper-quiet operation
Zero-gravity and TV positions
Affordably priced
Cons
Lacking a lot of frills
No programmable memory positions

Want an adjustable bed without forking over thousands of dollars? Allow me to direct your attention to the Brooklyn Bedding Ascension Luxe Adjustable Power Base. Though it’s a mouthful to say, a split king only retails for about $1,050 on sale, making it the most affordable option on this list.

You won’t get all the frills of a fancier base, like massage or flashy lights, but you do get the typical presets, plus head and foot maneuverability, all wrapped up into a sleek, easy-to-use base. The Ascension Luxe earned an overall experience rating of 4.8 out of, thanks to perfect scores in noise level and zero-gravity comfort. While the base is currently on final sale, it also comes with a limited 10-year warranty.

Our tester tries the zero gravity position on the Brooklyn Bedding Ascension Luxe  Adjustable Base.
Our tester tries the Brooklyn Bedding Ascension Luxe Adjustable Base.

Our in-house tester noted there was no “jerking or unexpected movement” when adjusting from position to position on this base. “It’s very smooth, even with a large mattress on the base,” she explained. “I don’t really have any complaints in regards to construction or functionality!”

But where this base really shined was our noise test. Our tester called it “incredibly quiet,” only recording a max decibel reading of 33. “This is akin to a ‘soft rainfall’ or ‘low whisper,’” she added. “There are no clanking or metallic sounds.” She added that she would gladly use a white noise machine that had the same hum, so it’s unlikely that sleepers will find this low level of noise disturbing. 

This base only has one zero-gravity preset, but our tester called it “so lovely.” She said, “This is wildly comfortable if you’re a back sleeper. Sleeping with your feet elevated is a great way to relieve back pain in that position.” But she added that sleeping on your side or stomach wouldn’t produce the same results, as it would throw off your spinal alignment. 

This is truly more of a bare-bones adjustable base. You don’t get the option to set your own positions, which our tester briefly lamented. “It does work fantastic and won’t give you any trouble, but I’m a little surprised that it doesn’t have any extras, like custom settings,” she said. If you want something with all the frills, check out the Saatva Adjustable Base Plus

Our Brooklyn Bedding Ascension Luxe Adjustable Power Base Sleepopolis Scores

Remote Design – 4.5
Noise Level – 5
Ease of Use – 4
Zero-G Position – 5
TV Position: – 4
Experience: – 4.8

Silk & Snow Adjustable Bed Enhanced – Best Massage for a Split King Adjustable Bed

Silk & Snow Adjustable Bed – Enhanced Model

Silk & Snow Adjustable Bed – Enhanced Model

The Silk & Snow Enhanced Adjustable Base features customizable massage settings, multiple presets, and a sleek, comfortable design that’s sure to please all who rest on it.

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Pros
Independent head and foot massage and multiple intensities
Adjustable lumbar support
Sleek remote design
Cons
Audible operation
Could be a pricier pick for some shoppers

If you’re looking for a massage without a trip to the spa, you might like the Enhanced model of the Silk & Snow Adjustable Bed. This adjustable frame has independent head-and-foot massage available in three intensities; though you won’t get a shiatsu deep-tissue massage, it’s definitely going to give those good vibrations. My colleague Riley Otis likened it to “being on a school bus that’s flying down the backroads.”

This frame was a favorite of Riley’s to test, earning a number of 5-out-of-5 ratings in remote control design, ease of use, and zero-gravity comfort. She rated her overall experience at an impressive 4.9 out of 5. The split-king model runs you anywhere from $1,800 to $2,000, depending on sales. However, It comes with a 30-day return policy, and after that, it’s backed by a 10-year warranty.

Relaxing on a Silk & Snow Adjustable Base Enhanced
Relaxing on a Silk & Snow Adjustable Bed Enhanced model.

Riley thought that using this base was a “very smooth ride,” and that it was totally “tricked out.” She noted that the massage was very customizable, allowing you to choose different intensities at the head and foot of your mattress. She also noted that it did make a sound, but nothing jarring: “It isn’t loud, but it is audible,” she said.

It was also easy to control on the remote, which she noted was an “aesthetically pleasing” speckled tan color. “Everything is intuitive and clearly labeled,” she said. “Although you do have to press down on the massage button to turn it off, which I didn’t realize at first.”

Alongside the massage features, the Silk & Snow Adjustable Bed Enhanced also features a movable lumbar support bar for even more comfort. Riley called it her “favorite part” of the frame. “The lumbar support bar is in the middle of the bed, which you can raise and lower via the remote. This helps fill in the space in the lower back, which feels super nice, even as someone without back pain,” she explained.

She added that the zero-gravity position would work great for sleepers experiencing body pain. “The weightless sensation is really soothing and helps take tension off the lower back,” she said. And while she wouldn’t recommend the TV-position for pressure relief, she found it comfortable when writing her testing notes on her laptop.

The Silk & Snow Adjustable Bed Enhanced did reach a 40 dB reading during Riley’s noise test, which is a bit higher than what we saw from other beds. “You can definitely hear the base moving, but it’s not super-loud and obnoxious,” she explained. 

Want something whisper-quiet? Check out the Brooklyn Bedding Ascension Luxe Adjustable Base.

Our Silk & Snow Adjustable Base Enhanced Sleepopolis Scores

Remote Design – 5
Noise Level – 4
Ease of Use – 5
Zero-G Position – 5
TV Position: – 4
Experience: – 4.9

Other Bases Considered

Didn’t like any of the options above? Here are some other bases on the market that might better fit your fancy:

Bear Adjustable Flex Bed

The Bear Adjustable Flex Bed has fully adjustable legs to accommodate a variety of heights, in addition to a zero gravity preset and two customizable presets. Other design touches include a remote flashlight and motors designed to stay quiet while the mattress is adjusting. Unlike several other models on this list, the Bear Mattress Adjustable Flex Bed doesn’t have a massage function. While massage isn’t for everyone, it’s a shame this base doesn’t have it, since a split king-size can run you as much as $1,600 — and it’s currently on final sale, so you can’t reap the benefits of a sleep trial.

Nolah Basic Adjustable Base

The Nolah Basic Adjustable Base is a high-tech base with all the bells and whistles, despite its name. The base comes with a vibrating full-body massage with three intensity levels, plus extra features like underbed lighting and USB ports for charging. The reinforced steel undercarriage also makes this a super sturdy and durable bed frame that can support up to 750 pounds. Just note that a split-king model will run you nearly $1,500, which may not be appealing for folks who don’t need all the frills.

How We Picked and Tested These Bases

Studies show that adjustable bases can actively work to help improve sleep duration and quality through their many enticing features, but they’re not worth the hassle if they don’t work well and without making bedtime more complicated and noisy. This is what I kept in mind as I picked out the best of the best adjustable split-king beds.

Ease of Use

Whether an adjustable base is described as bare bones or super high-tech, you don’t want to spend hours fiddling with remotes or decoding instruction manuals. Getting higher quality sleep should feel intuitive, even with the advancements that adjustable beds can offer.

That’s why we judge every base we use for its ease of use. We even see if we can figure out how to work the adjustable base before seeking out the instructions — truly wicked, I know — to get a feel for its straightforwardness. Can we adjust the head and foot independently from the get go? Does everything move at a reasonable pace, and to the level we expect it to? These are all things that go into our eventual rating out of 5.

Remote for the Saatva Adjustable Bed Plus
Remote for the Saatva Adjustable Bed Plus.

Within this realm, we also take a look at the remote’s design and functionality, something we also rate on its own out of 5. These remotes can be pretty tiny, and sometimes the buttons don’t offer much clarity or description. If they’re hard to press, too, that’ll knock some points off. A wireless remote can also offer range of motion — but you’ll also have to contend with it possibly getting lost in the crevices of your bed.

If there’s any application included with the adjustable bed, we’ll investigate that as well. More often than not, these act as a second remote, but it’s important that they’re easy to decode and fully functional — should you encounter the issue I mentioned above.

It’s also important that all the features are easy to access and function as expected. Below, I’ll get deeper into the nitty-gritty of how we evaluate each.

Features

Adjustable bases come in a variety of styles, and some come with high-tech features. Think about what kind of adjustable bed you want and the features you need. Once you know what you want in a base, your search will be easier. I’ll outline some of the features we commonly see in adjustable bases and explain how we test and judge their effectiveness. 

Zero Gravity

You may have noticed that many adjustable beds come with a zero gravity preset. Basically, it’s a position that puts your head and legs at very specific angles to simulate a feeling of weightlessness, hence the name “zero gravity.”

NASA invented this position to ease stress on astronauts’ bodies, and it’s now a common preset for adjustable beds. The raised legs and tilted head are meant to support the heart, spine, and nervous system to make it easy to wind down and sleep. 

Moreover, some studies claim that this also places less stress on the spine, which may also help folks with spine-related pain or discomfort find relief. “Some senior sleepers might find the zero-gravity position, or the inherent adjustability of an adjustable bed, much more comfortable on any pressure points,” Dr. Dasgupta adds.

Tempur ProBreeze Adjustable Base
The Zero Gravity position can have therapeutic benefits for many people.

Our testers will always try out the zero-gravity preset and give their opinions on how it feels, including whether they notice any pressure relief or discomfort. They even rate their experience for this position out of 5. Note that this preset can vary from base to base, but you can also make small adjustments of your own to find that zero-gravity sweet spot.

TV/Reading Position

Ever try to read a book lying down, and it falls on your face? Or stack a ton of pillows to get just the right angle so there’s no glare on the TV? The upright preset on an adjustable base can help with that. 

Our tester smiles while lounging on a Nectar Premier Adjustable Base with Nectar Split King mattresses
Our tester in the TV/Reading position of a Nectar Premier Adjustable Base with Nectar Split King mattresses.

It’s often called the TV or reading position, and it involves moving the head of the mattress fully upright — so you’re essentially sitting in bed. It sounds simple, but it’s more than effective. It’ll keep you from uncomfortably craning your neck, and when it’s time to go to bed, you can simply lower yourself back down. 

This is another position that our testers are always sure to try out and give their opinion. We rate it out of 5, taking into account how far upright the mattress can get us, and whether we think it’d feel uncomfortable after a long period of time.

Anti-Snore

If your partner is keeping you awake at night by sounding like a lawnmower or foghorn, you might want to prescribe them an anti-snore position. Though less common, the anti-snore preset elevates the upper half of the mattress just enough to hopefully open the airways. It might also benefit folks with sleep apnea or acid reflux.

In a split king, it’s especially effective, since your partner can move their side of the bed without disturbing your own. You can each find the perfect position to rest comfortably throughout the night.

A woman lying on the DreamCloud Premier Hybrid mattress on top of an adjustable base.
An example of the Anti-Snore preset.

Memory Positions

Maybe you don’t like the offered presets and need to make some minor tweaks whenever bedtime rolls around. Instead of oscillating back and forth until you find the right position, many adjustable beds offer the option to program what’s called a “memory position.” It remembers whatever configuration you set it to, and with a push of a button, you’re back to it—no need for readjusting. 

In testing memory positions, we’ll take a look at how intuitive it is to set them and reset them, as necessary. Though not all bases offer them, so we don’t have a dedicated scoreset for them. 

Massage

A sign of a higher-end adjustable base is one that offers massage settings. How it looks can vary. Many bases offer one general setting with multiple intensities. Others have independent head-and-foot message options. Either way, if you’re looking to wind down with gentle vibrations, it might be worth springing for a premium model. 

We’re always sure to test the massage options when available. We want to make sure that you can feel them through the mattress and whether they truly elevate the overall experience. 

Using the massage feature on a Helix Adjustable Base
Using the massage feature on a Helix Adjustable Base.

Noise

If you sleep with a partner, you may be all too familiar with being disturbed at night by their movement. Some people complain that adjustable beds are noisy while they adjust. If your partner adjusts their side of the bed in the middle of the night, you may be woken up by the sound of it moving. Some massaging bases market themselves as having “whisper-quiet” motors but still emit a humming noise while in use, which may disturb some sleepers.

Decibal meter taking readings from the Brooklyn Bedding Ascension Luxe Adjustable Base
A decibal meter taking readings from the Brooklyn Bedding Ascension Luxe Adjustable Base.

We test how noisy an adjustable base gets using a decibel monitoring application to get an accurate reading for how loud a base truly sounds, not just the humble opinion of our ears. We perform this test while trying out both the zero-gravity and TV positions, recording the highest decibel reading for both. We’d consider close to 30 decibels a truly quiet base.

After rating the noise level out of 5, we’ll also describe if it sounds truly disruptive. Sometimes, a gentle, low-level hum might be soothing, like a white noise machine. But if the noise is higher-pitched or whiny, that might cause more distress, no matter how loud it is. 

What Else to Consider 

A lot goes into setting up a new adjustable bed system, not just the fancy tech and how easy it is to figure out. If you’re still debating on whether it’s right for you, or caught between multiple options, you might want to consider the following angles in your purchase.

Mattress Compatibility

If you’re buying a new split-king base to work with your existing split-king mattresses, always double-check that they’re adjustable-base compatible. The last thing you want is your bed fighting back from contorting into comfortable positions. 

But if you’re purchasing a new mattress, you can look out for this in advance. Latex and foam mattresses are usually the best mattresses for adjustable bases due to their flexible nature. They conform more easily to the changing angles of the base. Many hybrid mattresses are also compatible, but be sure to read the manufacturer’s fine print. It may be more difficult to use an innerspring mattress on an adjustable base because the springs can prevent them from bending.

It can get a bit more complicated when it comes to purchasing a bed for a split-king base. Think of a split-king-size bed as two twin XL beds side by side. Sometimes, a split-king base might even be two independent twin XL bases.  The purpose of this type of bed is to have each side operate independently. 

A close look at the gap between a SweetNight CoolNest and an adjustable bed
A close look at the gap between a mattress and an adjustable bed.

However, this means there will also be a space between the two mattresses. Even if you push the mattresses or bases super close together, you may be bothered by the “seam” running down the middle. That’s why you might want to look for a mattress with strong edge support, as it won’t collapse when you roll closer to the middle. If worst comes to worst, you can purchase a “gap filler” that goes under your sheets and may help hide the separation, making snuggle time for couples much easier.

Assembly

The last thing you want to deal with is some IKEA-level witchcraft when setting up your new adjustable base. Thankfully, many companies try to make it easy to assemble their bases, and many tout tool-free setups. Some folks, like those with disabilities or extreme pain, might be physically unable to set up bases on their own. In this case, you might want to check whether the company offers in-home or white-glove delivery, though you might have to pay extra.

We assemble every base that arrives in our studio, so we always make a note if we have any trouble during the process. Though keep in mind that we usually have extra hands on deck!

A close look as our tester assembles an Allewie Storage Bed
In some cases, adjustable beds can be more complicated to assemble than a traditional bed frame.

Size and Aesthetics

Split-king mattresses are large, and adding an adjustable base on top of that can make things tricky when it comes to floor space. So, you’ll want to choose an adjustable base that is able to fit in your bedroom. Some bases can be heavy and bulky, so you may want to look into one with a slim design. 

If you want to use the adjustable bed on an existing frame, be sure to check if the base is compatible, since some are only stand-alone. Make sure to double-check dimensions to ensure everything will fit properly, too. The same is true if you’re buying a whole new setup. 

You might also want to consider the room’s aesthetics. Some adjustable bases can look fine on their own, but most have a minimalistic feel. A dark-colored steel frame might not match a cottagecore bedframe. Some brands also offer the option to purchase a headboard with your adjustable frame if you don’t already have one. 

Price

Adjustable bases can range in price depending on the brand, features, and warranty. The prices in this roundup range from $1,048 to $2,798 for a split-king size. The average price of all these adjustable bases is about $1,690 for a split-king size.

Most brands have frequent sales and discounts offered on their adjustable bases, of which I heartily recommend you take advantage. If you’re worried about taking the plunge on a new base, many also come with extended sleep trials, which allow you to return the base for a full or partial refund if you end up disliking it. 

Trial and Warranty

Most companies offer a warranty on their adjustable bases, so they can be replaced if they’re faulty or show unnatural deterioration. The length of the warranty can also be a good indication of quality, as a longer warranty means the company believes its product will hold up for a long time. Most bases only come with a 2- or 3-year limited warranty, but some are longer — like the Saatva Adjustable Base Plus, which has a 15-year warranty. 

Though less likely than mattresses, some adjustable bases do come with a sleep trial. This is a period of time, often a few weeks, to get a feel for the product. You pay for the base, but you can exchange it or return it for a full refund, so long as it’s within the trial period.

Sometimes the bulkiness of bases makes them difficult to return, so many brands won’t offer this feature. Be on the lookout for things marked “final sale” — this means no returns or exchanges offered. Always be sure to read the fine print when making your purchase. 

FAQs

Who makes the best split-king adjustable bed?

Per our expert team, the Nectar Premier Adjustable Bed Frame makes the best split-king adjustable bed. This frame offers three preset positions (zero-gravity, anti-snore, and TV-watching), plus the option to program two favorites of your own. You also get massage, underbed lighting, and whisper-quiet function — all for under $2,000.

Are split-king adjustable beds worth it?

If you’re dealing with back pain, snoring, or just looking to enhance your sleep experience, a split king adjustable mattress can be worth it. A lot of couples with differing preferences benefit from the customization a split king setup can offer, and this goes double for adjustable beds. Split king adjustable bases can move each side of the bed independently, so you can watch TV while your partner sleeps beside you.

What company makes the best adjustable bed frame?

We chose Nectar as the best adjustable bed frame company, specifically their Premier model. They also offer a more toned-down Classic model, if you don’t need all the extra frills. These bases are effective, easy-to-use, and won’t break the bank.

Is split king the same as two twin XLs?

Yes. Dimensions-wise, each side of a split-king bed equals one twin XL. Many companies even direct shoppers to buy two twin XL mattresses in lieu of offering a split-king option.

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