Updated January 2025
Helix Midnight Mattress Review
Is the Helix Midnight the right mattress for you? Keep reading for our breakdown of what makes this mattress stand out!
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
The Helix Midnight is 12 inches tall with four layers. Let’s dive in to learn a little bit more about each specific layer.
Helix Midnight Mattress Firmness
Before we get into this, a quick reminder — mattress firmness is not an objective measure. Your weight, sleep position, and personal preferences will inform how hard or soft you find any given model. That said, we try to give you a balanced firmness score by having several colleagues try out the Helix Midnight. They give their rating and we averaged the scores together.

After lying on the mattress for a while and tallying everyone else’s scores, the Helix Midnight scored a 6.5 out of 10 rating on our mattress firmness scale (with 1 being the softest and 10 being the firmest), making it a medium-firm bed. In fact, 6.5 is the industry standard for medium firmness. We would recommend this mattress for all three sleeping positions (back sleeping, side sleeping, and stomach sleeping) because it’s supportive, without putting pressure on your joints. This model also has a nice, bouncy feel, thanks to its hybrid construction. That means it’s easy to roll around on, so combination sleepers shouldn’t have trouble changing positions during the night.
Testing The Helix Midnight Mattress In Different Sleeping Positions
Body Weight | Side | Back | Stomach |
---|---|---|---|
Light (under 130lbs) |
good | excellent | good |
Average (130-250lbs) |
excellent | excellent | good |
Heavy (over 250lbs) |
unpleasant | unpleasant | unpleasant |
Body Weight: Light (under 130lbs) | |
---|---|
Side Sleeper | good |
Back Sleeper | excellent |
Stomach Sleeper | good |
Body Weight: Average (130-150lbs) | |
Side Sleeper | excellent |
Back Sleeper | excellent |
Stomach Sleeper | good |
Body Weight: Heavy (over 250lbs) | |
Side Sleeper | unpleasant |
Back Sleeper | unpleasant |
Stomach Sleeper | unpleasant |
Our favorite things about the Helix Midnight Mattress
Great Edge support
When you’re buying a mattress to share, an important consideration is edge support. Can you spread out on your mattress and still feel supported? The Midnight will make you feel secure using the whole bed.
Great for Couples
The Midnight has great motion isolation, which means you’re unlikely to be disturbed by your partner’s movements. The mattress is bouncy, making it easy for you to roll over or switch positions at night without worrying that you’ll get “stuck” in the bed.
Customer Feedback
“I love my new bed! This mattress is so comfortable. The first few nights I used it, I immediately noticed that I slept much better (and longer!).”
-Rebecca H.
Verified Buyer
“I have had my mattress for about a month now and have to say it is way more comfortable than the $4000 mattress I had before. I sleep more sound and actually feel great in the morning.”
-Joy K.
Verified Buyer
“This mattress is equal to or better than any other I have slept on. I’m convinced traditional mattress distribution and pricing are a racket. Helix is a superior value proposition and a quality product.”
-Michael M.
Verified Buyer
Frequently Asked Questions
Who is the Helix not Recommended for?
The Helix is not recommended for people with a heavier body weight. Heavier people should look at the firmer models from the Helix Luxe line or the Helix Plus.
Does the Helix Midnight have an off-gassing period?
The Helix Midnight will ship to your door compressed in a box. You will need to wait after unboxing the Helix for gasses to be released as the foam decompresses. However, all smell should dissipate in 24-72 hours.
How does the trial period work?
Mattress Details
Type
Hybrid
Firmness
Medium Firm (6/10)
Weight
50-110 pounds
Thickness
12 inches
Warranty
10-15 year
Delivery
Ships in a box