Sleep Science Mattress Reviews

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Sleep Science

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Sleep Science builds a line of latex and memory foam mattresses. Their claim to fame is their 'wedge' technology that provides edge support to every piece of the mattress. Additionally, they are Certipur certified, which means they have low VOC and no formaldehyde in their mattresses. They also use bamboo material in some of their mattresses. Their mattresses are made popular through their relationship with Costco warehouse stores where they are sold at a competitive price vs many of the retail sold mattresses of similar material quality.

Mattress Score

Overall Score: 8.3/10

Customer Satisfaction: 8.4/10

Price Value: 8.7/10

No Back Pain: 8.3/10

Price: $399-2499

Trial Period: No Trial

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Sleep Science's Specifics

Sleep Science makes a variety of mattresses that are all-foam and offer multiple firmness options. These mattresses offer multiple thickness varieties. Overall, customers like their Sleep Science mattresses overall, but there were some that had issues with the durability of these beds.

Those that are concerned about long term comfort, take a look at our top rated mattresses and specifically our list of the best memory foam mattresses for strong competitors for a good price.

Craftsmanship & Quality

Sleep Science has a variety of all-foam and latex mattresses to choose from. We'll go through each of their mattress options in depth below:

Here are the details about their 10'' Memory Foam Series:

The Sleep Science 10'' memory foam mattress comes at a medium firm profile. It features three layers of foam -- a 3'' memory foam layer, 2'' air comfort foam layer, and 5'' high density base foam layer. These mattresses get good initial responses from sleepers overall when it comes to comfort, with a subtle contour but solid support. That said, there are some disagreements when it comes to durability.

Next, here are the details of the Sleep Science 9'' Latex Mattress:

The 9'' latex mattress from Sleep Science provides a firmer mattress feel with two layers of latex. The top latex layer is 3'' of medium-firmness latex that subtlely bounces under the sleeper. Below that, is 6'' of firmer latex foam that supports the spine and provides a firmer feel to the mattress. Both of these layers are perforated for additional airflow and should sleep cool overall. Customers describe these mattresses as comfortable at first, but some had issues with long term comfort.

Next, here are the details of their Carina 11'' Gel Memory Foam Mattress:

The 11'' mattress has four layers of foam, including 2'' of gem-infused memory foam, 2'' of standard memory foam, 1'' of latex, and 6'' of base foam with perforations for air flow. This mattress is a medium-firm in terms of the feel, and most customers like it at first. There were some that had complaints about sagging over time.

Next, here are the details of their iFlip Mattresses:

Sleep Science's iFlip mattresses come in either a 10'' or a 12'' profile and are developed to be flippable between a medium-soft or medium-firm feel. From soft to firm, the layers are 2'' of memory foam, 2'' of slightly firmer air comfort foam, 4'' of perforated base foam, 2'' of firmer air comfort firm, and 2'' of medium feel visco elastic foam. Most customers like their iFlip mattresses at first, but there were some that had issues with durability.

Next, here are the details of their Ara 13'' Mattress:

Sleep Science's Ara mattress comes with a medium-soft feel. Its layers include almost 6'' of memory foam, a slim layer of transitional foam, and 6'' of perforated base foam. This mattress is ideal for side sleepers and most customers like what they feel at first. However, some customers had issues with durability.

Next, here are the details of their 14'' Copper Infused Memory Foam Mattress:

Sleep Science's Copper Infused Memory Foam mattress comes in a firm profile with the top layer featuring copper infused foam. While this design is designed to lead to better cooling and temperature regulation, there were some sleepers that complained of warm sleeping surfaces.

Next, here are the details of their 13'' Bamboo Cool Mattress:

The 13'' Bamboo mattress comes with a cooling bamboo charcoal infused memory foam layer on the surface. Designed to diffuse heat away from the body, this top layer helps with providing some pressure relief on an otherwise firm mattress. Overall, customers like this mattress, but durability was a concern.

Lastly, here are the details of their 11'' Black Diamond Mattress:

The 11'' Black Diamond Mattress features charcoal infused memory foam on the surface layer and a firm design, ideal for stomach sleepers. With an all-foam design, customers really like this mattress at first. However, there were multiple reports of sagging over a shorter than average period.

Overall Comfort

Sleep Science has a wide range of comfort options and most customers find these mattresses to feel good at first. However, there was a significant group that had issues with the durability.


See the above scale. Sleep Science provides a wide range of firmness options for sleepers. Those that are slimmer in body size and side sleepers will do best with a softer variety and a firmer mattress will be best equipped for stomach sleepers.

Back Pain Relief

As some sleepers have had issues with durability, some may find that these mattresses have issues with consistent relief and back support over time.


While most customers don't describe issues with heat retention, some of these mattresses that incorporate memory foam on the top layer may retain heat for some sleepers.

Who Are Sleep Science Mattresses Right For?

Sleep Science mattresses are ideal as temporary mattresses for children where comfort longevity may not be as much of a concern. For those looking for quality alternatives, take a look at our top rated mattresses for strong alternatives.

Browse Sleep Science Customer Reviews

NEEDS GOOD FOUNDATION - dont use bunky board!

We bought this mattress over a year ago...had no idea that they sold a separate foundation. Spent months replacing the bunky board we got from Crate and Barrell 2 times and dealing with back pain, even called the mattress mfr. The mattress mfr said they recommend their foundation instead of bunky board. Ordering it today, hopefully it will take care of the problem but paying $50 more than if I bought them together from the start. They need to update the description and recommend the foundation if they don't buy it separately OR don't even sell the mattress alone. Description said it needs a 'solid' foundation...what does that even mean? I had a hard time trying to find a bunky board that is solid wood from many retailers. Crate and Barrel's new bunky board is made of compressed cardboard! A painful process, but I like the mattress.

Works well for us

The mattress is definitely on the firm side but we both find it about right. After 11 months, the bed seems to be wearing very well... no signs of change in feel or shape. The adjustable bed is used in zero gravity every night for one of us and not used at all for the other. The adjustable bed works well for back sleepers but not side or stomach sleepers.

Six years later, we still love it!

This bed is the best we have ever slept on, even 6 years later. We have the queen, and now want a Cali king (we now have a dog sleeping with us), and will be buying another one of these latex matresses from Costco. This one will go into the guest room, and it looks brand new. It has not settled or sagged at all, even though it is used every night, by 2 people. It is NOT hot, either. The memory foam mattress we bought from Costco first, was hot, however. So we returned the memory foam and got this latex mattress. We are so happy!!!

Not so great!!

I did what i thought was plenty of research before i bought this bed.. I've waited a full year to try and get used to it, and kept telling myself and my spouse it would get better. Not only was it hard and uncomfortable but, from 3 months on, it had big depression on both sides. It seemed to get worse , not better! The only good thing is i bought it from Costco, so they agreed to take it back, no problem! Yea Costco!!

very good customer services

I bought this bed on July 7, 2016. It was my first Costco online shopping. As in warehouse shopping, the online service was very good. The delivery company did not call me to confirm the delivery time but Joshua and Carlos did great in the delivery of the bed and setting it up. Brandon at the distribution center was excellent. I could test the bed before the purchase. The latex mattress feels cool in summer compared to other types of mattresses. I hope I enjoy my bed for many years to come. I love shopping at Costco!!!

Super Comfortable; great support

I've purchased 3 of these mattress so far. The first one about 3 years ago, then another one the following year and another one a couple months ago. the first one was in a guest room and the other two were for two of my kids who loved the bed when they slept on it while visiting!

Helps with my back

I bought this bed over 2 years ago, maybe 3 years now. My husband was a reluctant buyer, because we are only early 40's :) He thought adjustable was for the nursing home. But he had enjoyed it just as much. It hasn't helped his snoring, but he enjoys the leg elevation and massage features after a tough day or workout, and elevation of his head when congested. I have had a couple of back injuries from car accidents, and sleep considerably better on this bed than ANY OTHER!! We had a memory foam before this. This is NOT memory foam. Memory foam sinks in with your weight, then when you turn over you fall back into the rut you created. Ours was also hot. This foam doesn't radiate heart back at you. I love that! It doesn't sink in. It has great support. It is nice to be able to sleep elevated without getting up in the middle of the night to prop up or go to the recliner. My bed sleeps just like it did almost 3 years ago. No sagging, indentions, or soft spots. It does creak a little when adjusting, nothing a little wd-40 can't fix. The base and massage features still work like a top. No problem! Good buy!

L-O-V-E IT!!!!!!!

Purchased and received this split King organic mattresses with adjustable bases on April 8th, 2016. What a great product! Both my husband and I absolutely love our mattresses! The adjustable bases fit perfectly inside our existing bed frame, and the mattresses are sooooo very comfortable. I have always been a side sleeper, but no more! I'm able to easily sleep on my back now. Since I am a professional singer, this is a real plus for me. Also, the adjustability allows me to (among other things) raise my head ever so slightly to allow for sinus drainage as well as legs for additional perfectly tweaked comfort. The mattress cover is soft and also feels luxurious. A 3 inch layer of softer 19 ILD natural latex perfectly compliments the firmer 32 ILD layer underneath it to softly cradle with no pressure points yet support my body superbly. Adjustable base works great. Fully articulates for customization. Zero Gravity pre programmed position is heavenly! Don't wait. Buy this now!!! You'll be glad you did! Great price and great product. Thanks Sleep Science - Well done!

Wonderful Bed!

We got this bed a couple of months ago. It is very comfortable. Unaware another person is in the same bed. Mattress is fine for us, not too firm and not too soft. No odor.

Delivery company had great personnel.

One side had a control box (located under the bed) that failed in the first few hours. Costco called the company and we had a new one installed by the company in a few days.

I would suggest going to check out Dreamfit mattress covers (they come in twin xl and their kings sheets (2 twin xl bottom sheets with one King top sheet. Their bottom sheets and mattress covers have extra elastic straps to hold the sheets in place. I found these after much research. They stay in place great. Love my bed!!

Comfortable..natural latex adjustable

The mattress delivery was great..even on time. The mattress itself is nice sinking in like foam. Soft and supportive. The adjustable base is great. I do wish the lights on the remotes would come on before you try to poke the right button. Zero gravity setting is awesome!

Very comfortable

Its very comfortable. Firm for support but not too firm. My wife & I think it is the best mattress we have slept in. No smell at all.

It's SOFT, not 'medium with a bounce'

Disagree with the SUBJECTIVE product details 'Sleep Science comfort scale: medium with a bounce.'

There is missing objective ILD firmness scale info in the product details. For me, 5'3 and less than 120 lb, this is surely a soft latex mattress. In general, The 'soft' designation corresponds to an ILD rating of 19-21. The ILD rating for the medium range is 24-26. After digging yourself, then you find this mattress has ILD 19 on the top 3 inch layer over another 6 inch of 32 ILD.

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