These Are the Best Prime Day Mattresses Deals Our Experts Are Actually Shopping

"Earlier this year, Casper re-launched their entire mattress assortment, and their new all-foam mattress doesn’t offer the zoned support the Original does," says Wu. Snag our favorite mattress-in-a-box for 32% off during Prime Day if you want to experience extra support — it’s one of the most popular brands among our survey panel of consumers. Our pros recommend its memory foam build for side sleepers and back pain sufferers.

We named this T&N mattress the best mattress you can find on Amazon in our shopping guide to the best mattress of 2024. Thanks to Prime Day, you can buy our experts' and testers' favorite Amazon mattress for under $650 — plus reap the rewards of fast shipping. The mattress has the brand's Adaptive Foam technology that's designed to be durable and supportive without feeling too stiff.

Casper is practically akin to a "mattress-in-a-box," making it ideal for individuals looking for a mattress that's easy to set up and requires no additional help from White Glove services. Plus, the Element Mattress has one layer of memory foam designed to mold to your body as well as a supportive base. The brand recommends waiting 24 to 72 hours for your mattress to reach its full shape, but after that, you can crawl into bed and snuggle up with one of our favorite Amazon comforters.

More than 7,000 Amazon reviews are calling this Sleep Innovations mattress a total steal even without Prime Day savings and a strong competitor for pricier mattresses by Tempur-Pedic that will run you a couple thousand. Say "goodbye" to neck and back pain and "hello" to a good night's sleep. This hybrid mattress is composed of innerspring coils and cooling gel memory foam for a medium feel. It's designed to help improve body alignment as well as provide comfort regardless of sleep position.

This #1 best-seller also happens to be 25% off during the final hours of Amazon Prime Day 2024. The hybrid mattress features supportive foam along with wrapped innerspring coils that are designed to provide optimal lumbar support. It's an affordable mattress-in-a-box that it's easy to set up so you can hit the hay on a comfortable mattress ASAP. One five-star reviewer commented on how surprised they were by the quality of this mattress for under its $325 price tag: If you need a new mattress "buy two and replace the one that is just ok in your house because this is a wonderful mattress."

This Amazon mattress deal might be one of the lowest prices I’ve ever seen one go for. Marked down by 30%, this gel memory foam hybrid mattress rings in at under $200 during the last few hours of Prime Day. And with it, shoppers get speedy shipping and 100-day returns.

Boasting more than 11,000 five-star reviews, Zinus stands as one of the most popular mattress brands on Amazon. Those in search of a mattress that touts cooling and plushness can get the mattress for 15% off this Prime Day.

If you sleep hot, consider opting for a cooling mattress like this one, which contains gel particles interspersed in high-density memory foam. This creates an ideal sleeping surface that conforms to your body and supports your back. Though memory foam tends to sleep hot, this one helps reduce that effect with cool gel that’s designed to draw heat away from the body and ventilation that helps with circulation. One five-star reviewer wrote: "I am absolutely in love with it! The mattress is incredibly soft, the memory foam is so comfortable, providing me with a restful night's sleep."

This Amazon's Choice mattress is 16% off during Prime Day, and more than 57,000 customer ratings suggest you won't be compromising on comfort thanks to its affordable price. The mattress has 5 inches of memory foam, with 2 inches of gel memory foam and 3 inches of comfort memory foam, plus another 7 inches of layered dual foam.

Regardless of which mattress size you choose, whether that's a twin for the kid's bedroom or a California King for yours, experience the comfort of memory foam with the bouncy feel of durable steel springs. We appreciate the multi-layer design and the long-lasting materials that make up the Linenspa mattress's 8-inch height. The mattress has a 4.4-star rating on Amazon with more than 138,000 customer reviews.

This Amazon-exclusive mattress is currently 15% off for Prime Day, allowing you to shop a memory foam model for under $425. With more than 5,000 ratings and an average of 4.5 out of 5 stars, the Nod 8-inch mattress provides spine support and pressure relief. We also appreciate that it's made with CertiPUR-US-certified foams and GreenGuard-certified materials.