Sleep Science Mattress Review: Reasons to Buy Or Not Buy

Nicole J. Holstein
The upsurge of low-quality mattresses flooding the market in recent times has been a major challenge to shoppers looking for top-notch mattresses that offer comfort, therapeutic, as well as practical functionalities to make the right choice.

This is where the Sleep Science Mattress Brand comes in. The Sleep Science line of mattresses designed by South Bay International Company and sold by Costco wholesale online and stores across the country, offers a variety of quality products that meet the needs of different sleepers in terms of comfort, therapy, aesthetics, and support.

Thus, if you are looking for some of the popular mattresses from this brand and their basic features, here is a complete guide.

Table Of Contents

What do I need to know about Sleep Science Mattress

The features of a mattress brand are important factors to put into consideration when looking to buy a new mattress. A prior knowledge of these features helps you to make an informed decision about the best mattress for you. Below are some of the common features of the Sleep Science brand:

  • The majority of their products are built with CertiPUR-US Certified memory foam. Their range of mattresses is sold online through Costco’s website and warehouse stores across the US.
  • The company has a wide range of mattress models with varying prices to suit different sleepers’ preferences and budgets.
  • Many of their mattresses come with top comfort layers and high-density memory foam, which allows for strong motion isolation.
  • Costco has a return policy that allows customers an opportunity to test out the mattress for an extended period.
  • Some level of off-gassing, which is characteristic of memory foam mattresses. It could take about 24-48 hours before the odor dissipates completely.
  • All of the company’s mattresses come with a 20-year warranty.
  • Overall, consumers seem to be pleased with these mattresses, as they show over 76% owner satisfaction.

Sleep Science produces different models to suit different sleeping needs. Hence, each of the products comes with different composition and specifications. Now let’s consider a review of some of the Sleep Science mattresses you can find on the market.

Let’s compare models by Sleep Science Mattress

This brief overview will serve as guide for you if you’re considering one of the wide-range of Sleep Science mattresses, or if you’re still looking for the right brand for you. So, take your time to go through this review to see which of them actually appeal to you.

Type of sleeper All kinds of sleepers Back and stomach sleepers All kinds of sleepers All kinds of sleepers Back and side sleepers
Height 9″ 10″ 12″ 13″ 9″
Layers (besides cover) Natural latex layers (Talalay latex)(3” and 6”) 3” Visco Memory Foam + 2” Air Comfort Foam +  5” Polyurethane Base Foam 2” Memory foam + 2” Memory foam + 8”    Proprietary Air Channel Base 3” Memory foam + 3-5/8” Visco Memory Foam +  3/8” Air Comfort  + 6” Proprietary Air Channel Base 1” Talalay latex + 1” Talalay latex   + 2” Talalay latex + 5” Soy infused Base Foam
Cover 37% organic cotton, 61% polyester and 2% spandex with zipDry-clean only Machine washable jacquard fabric cover with zip Machine washable polyester blend cover with zip Machine washable bamboo fabric cover with zip Machine washable cover with zip
Firmness Medium Firm to Firm Medium Firm Medium Firm Medium Soft Medium Firm

Detail reviews for each model

Sleep Science 9″ Natural Latex Mattress

The Sleep Science 9” Natural Latex is an all-latex mattress which is highly resilient with great comfort, support, and conformity. It has superior natural latex breathability that helps to keep your body warm in the winter and cool in the summer.

Product features

This mattress is made of 2 layers of natural latex (Talalay latex) and the cover, to provide instantaneous recovery and support that leaves you with a plush feeling while you sleep. These layers are bonded with water-soluble adhesive.

The cover of the mattress is made of 37% organic cotton and the rest is a mix of polyester and with 2% spandex. This type of consistency makes of a mattress that is quite breathable and sleeps cool. Thus, it makes a great choice for someone who sleeps hot.

You will also love the way the latex structure makes for a mattress that bounces really well and quick. It manages to isolate any movement, so it makes a great choice if you sleep with a partner.

Overall, a good eco-friendly choice made of all organic materials, at a reasonable price tag.


  • It provides plush and conforming features to create a natural sleeping environment
  • Excellent motion isolation
  • Good pressure relief
  • High breathability
  • High resiliency and great support
  • 20-year warranty
  • Hypoallergenic and dust-mite resistant


  • Few days off-gassing
  • Needs a flat solid surface for better results

Sleep Science 10-inch Memory Foam Mattress

The Sleep Science 10-inch Queen Memory Foam Mattress is an all-foam solution which can cater for any need and features hypoallergenic materials.

Product Features

There’s a good amount of sleep science technology behind this mattress. It features a top layer of 100% pure Visco Memory Foam which will keep you well supported, offer substantial pressure relief and neutral spine positioning.

This mattress is the ideal solution if you are looking for a mattress made of hypoallergenic and dust-mite resistant materials which are CertiPUR-US approved.

You can rest assure its healthy composition will keep you cool at all times as it features a breathable, enhanced Air Comfort Layer with enlarged cell materials for improved breathability. This structure prevents heat retention and promotes a neutral temperature.

Finally, the 3×3 Sleep Science Patented Wedge Support System, succeeds to provide for 20% more 20 years warranty sleeping surface.

The mattress can be used on adjustable bed or foundation base bed. This model also comes with a 20 years warranty.


  • It has a high “Air Comfort Layer” of large open-cell foam that allows air circulation
  • The cover is removable and washable
  • Sleeps really cool
  • The mattress is hypoallergenic and dust mite resistant
  • It has a great Wedge Edge Support System
  • Comes with a 20-year warranty


  • A bit pricey compared to similar products of other brands

Sleep Science Astoria 12″ Memory Foam Mattress

The Sleep Science Astoria 12” Memory Foam Mattress is an affordable all memory foam mattress sold via the Costco sales site. The mattress helps to promote superior night rest and renewed morning energy through its high plush feature.

Product Features

The Astoria 12″ Memory Foam Mattress features a cover that is removable and washable with a zipper across its surface for easy laundering.

This mattress’ top and middle layers are constructed with 2” high memory foam that conforms to the body’s natural curves and adequately supports you. Hence, the mattress helps to relieve pressure on sensitive areas and the spine.

The two memory foam layers are encased by a foam layer enhanced with Sleep Science’s Patented Wedge Support System, so you have 20% more edge support.

The bottom layer features an Air Channel Base which is 8 inches thick and consists of polyurethane foam and airflow channels which make the mattress quite breathable as they prevent heat retention. Thus, this technology allows superior airflow that helps to keep you cool while you sleep.

This is a great product that can work for all sleepers. The memory foam layers will provide a plush feel and substantial body contouring.


  • Great support for back, neck, and shoulder
  • Appropriate for any kind of sleeper
  • Helps counter heat with its cooling technology
  • Removable and washable cover
  • Wedge Support System for enhanced Edge support
  • CertiPUR-US Certified memory foam
  • A 20-year warranty
  • Affordable price


  • The memory foam could generate heat
  • Can only be used in a solid foundation

Sleep Science 13″ Ara Memory Foam Mattress 100% Visco Foam

The Sleep Science 13” Ara Queen Memory Foam Mattress is luxuriously designed to provide a cloud-like effect while you sleep.

Product Features

This is a lavishly luxurious mattress which provides supreme comfort and sufficient support to guarantee a long night’s rest for you. It comes with several premium features like the manufacturer’s patented Wedge Edge Support System and their proprietary ‘Air Channel’ Base to make it supportive and breathable.

Its triple-layered cover and the Visco-elastic memory foam top layer work together with the air-enabling polyurethane base, to maximize the comfort you will get while sleeping.

The mattress comes with 3 inches Premium Visco Pillow Top , creating an unparalleled feeling of weightless sleep. The pillow top combined with the three layers and the Wedge Patented Edge Support help to relieve pressure points, improve air circulation and keep your spine in a neutral position.

Undoubtedly, this is the right product for anyone looking to sleep on a mattress that provides a complete support for your entire body and comes packed with premium high quality materials which are hypoallergenic and dust-mite resistant. [alert type=green ]

Overall, a great mattress all around which sits comfortably on top of this list of offerings by the brand. As long as you can afford it, since it is rather expensive, it will not disappoint you.


  • It has a high “Air Comfort Layer” of large open-cell foam that allows air circulation
  • Its Air Channel Base enables deeper sleep by allowing for airflow and heat dissipation
  • Can support all kinds of sleepers yet it is best for side and back sleepers
  • CertiPUR-US Certified memory foam
  • Machine washable zip-off mattress beautiful cover made of bamboo fabric for extra breathability
  • It has a great Wedge Edge Support System
  • Sleeps really cool
  • Comes with a 20-year warranty
  • Hypoallergenic and dust mite resistant
  • White glove delivery
  • Easy to assemble –Sleep Science Folding Foundation


  • Slight foam odor may occur for a while after opening

9″ Latex GL Mattress

The Sleep Science 9″ Latex GL Mattress is one of the latest additions to the brand’s collection, which takes advantage of the Celsion Phase Change Material to offer a cool and supportive sleep.

Product Features

This mattress features all-natural Talalay latex in its three layers and is supported by a Soy Infused Foam Base, making it an eco-friendly organic solution for your bedroom.

It is hypoallergenic and dust-mite resistant, so you can rest assure there is no risk if you are prone to allergies.

The highlight of this mattress is its Celsion Phase Change Material infused in its cover, which regulates temperature to keep you cool and minimize any tossing and turning.

The mattress features a machine washable cover with a zip so it is easy to care. Pros

  • The cover is removable and washable
  • Sleeps really cool – Celsion Phase Change Material
  • Organic Talalay latex used
  • The mattress is hypoallergenic and dust mite resistant
  • Comes with a 20-year warranty
  • White glove delivery and assembly included in the price


  • It is best to rest on a solid surface for better results


The Sleep Science mattress lineups combine luxury and comfort at fairly reasonable prices, although there are some models which are more expensive than the norm.

So, if you’re looking for mattresses that offer superior quality, guarantee comfort all night long, and provide therapeutic healing effects, the Sleep Science Mattress Brand will offer good value for your money.

Featured Reviews

665,051 Reviews Analyzed
411,045 Reviews Analyzed
806,240 Reviews Analyzed
625,587 Reviews Analyzed
733,004 Reviews Analyzed
719,656 Reviews Analyzed
301,145 Reviews Analyzed
91,569 Reviews Analyzed
74,013 Reviews Analyzed

Related Posts

Amazon Mattress Return Policy in 2023

If you just bought or are considering buying a mattress at Amazon, you might want to know more about their return policy. That’s right. In Amazon, li...