Eight Sleep Mattress Review

Rating: 9.2 / 10 (Excellent)
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Eight Sleep is an innovative mattress company. Apart from their standard mattresses, the deluxe versions are designed to incorporate technological integration, which situates them apart from their competition. Eight Sleep smart mattresses not only monitor rest patterns for detailed information provided in a daily customized report, they can also coordinate with other wifi-enabled devices to fully integrate your home and optimize it for better sleep.

Size and Firmness

Eight Sleep designs three different mattress models that cover multiple feel preferences, all of which can incorporate smart technology or come standard. Their Saturn mattress is their medium firm, all-foam, 10" tall option; the Jupiter is also medium firm and 10" tall, but made from four different layers of memory foam; and the Mars is an 11" hybrid of foam and coils that offers medium soft support and bounce. If customers choose to purchase the models from the Smart Collection, all three would then also include Eight Sleep's mattress cover embedded with technology controlled via the Eight app, available for iOS and Android devices. They also all fit most standard bases, foundations, and bed frames.

Eight Sleep makes mattresses in the following standard sizes:

Twin or Single

Twin XL



Full or Double



California King


Eight Sleep mattresses were developed after analyzing over 10 million hours of sleep data, and are designed to provide both comfort and support. Their smart mattresses are the first and only models designed specifically for the smart home. They allow customers to control their lights, thermostat, coffeemaker, and alarms. Eight Sleep technology can be controlled via their app for iOS and Android, as well as through Amazon's Alexa. Additionally, activity trackers or platforms can also be synched, in order to consolidate your data. All Eight Sleep device interactions are available on their channel on the IFTTT platform. Popular applets include bed warming when the room temperature falls, automatic coffee machine brewing while snoozing, and switching off lights when in sleep mode. 

Purchase Details

Though they do have a showroom in New York City, Eight Sleep sells their mattresses exclusively via their website, with 0% APR financing available with Affirm. Mattresses are compressed for easier delivery, and shipping in the United States is free, directly to your door, in an estimated 7-10 business days. Once arrived, Eight Sleep offers a fairly standard 100-night sleep trial, during which customers can return their mattresses, at no charge to them, for a full refund. They can also keep elements of their smart mattress, and receive a partial refund.

Eight Sleep mattresses have a 10 year limited warranty, which covers defects in the mattress and cover not associated with normal usage, such as indentations of 1" or more. Though their mattresses can be used with almost every base, normal wear does require that the these be supported correctly. If the defect does fall under the warranty agreement, customers must process the return at their own cost, with proof of the original date of purchase. Eight's smart mattress technology layer and sleep tracker have a one-year limited warranty

Customer Service and Reputation

Eight Sleep has a disappointing Better Business Bureau score of D-, mainly due to their short time in business (2014), a total of three customer complaints, and failure to respond to one of them. The company has no entry on TrustPilot, though they do prominently feature customer reviews on their own website. Their Amazon reviews for their smart covers are also quite positive.

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Top Rated
Our Partner
9.2 / 10
  • 100-night sleep trial
  • Eight app helps you sleep better and wake up smarter, with a daily sleep report
  • Warm your bed, set alarms, connect to other wifi-enabled products and optimize your home for sleep
  • Track your sleep patterns, heart and respiratory rates, bed and room temperature
  • Share data with your favorite health apps
  • 10-year limited foam warranty