It's a truth universally known that good quality sleep is the bedrock of so much of your everyday health and wellness. But anyone who's slept on the pullout couch at Grandma's house knows that at the end of the day, it may not even matter how calm you may feel as you get into bed, how dark and sufficiently chilled your room may be, or how much white noise is drifting through the air if your mattress is as supportive as a bag of rocks.
Suffice to say it's essential to find a mattress that feels comfortable and suits your sleep position—and to replace it every seven to 10 years. That's a significant investment, which is why targeting sales is key for mattress shoppers who are on a budget. And there's no better time than right now to do just that, thanks to all the mattress sales currently happening courtesy of Amazon Prime Day.
- Gbolahan Okubadejo, MD, board-certified spinal and orthopedic surgeon based in New York City
Despite the fact that a mattress might seem like something you'd want to touch and feel (and cozy up to) before buying, it's actually very possible to purchase one online without regrets. Fast bed-in-a-box shipping and extended trial periods (during which you can test-run the mattress and send it back if it's suboptimal) are now common among mattress companies that sell online, including many that are running Prime Day sales today and tomorrow. Because mattresses typically come at a high price tag, even 20- and 30-percent off deals really go the distance.
To get started, consider your typical sleeping position and the firmness level that would best support you in that position. "Back sleepers can [typically] choose any firmness that feels the comfiest since their weight is evenly distributed while sleeping. Stomach sleepers should go for a medium-firm to firm mattress to support the spine and keep hips and shoulders aligned. And side sleepers should opt for a softer mattress, which will help relieve pressure on the shoulder, hip, and arm," spinal and orthopedic surgeon Gbolahan Okubadejo, MD, FAAOS, previously told Well+Good.
Below, we've rounded up the best Prime Day mattress sales that fit into all of the above categories, plus a few for the folks whose main sleep concern is staying cool and sweat-free all night long.
8 best Amazon Prime Day mattress sales 2023
Best for back sleepers
Originally $695, now $556
When sleeping on your back, you want to avoid sinking into a mattress in a way that could throw your lower back out of its neutral alignment (and trigger a back ache in the morning). That’s why this firm Casper pick is an excellent choice for back sleepers, with a memory foam top layer that’s supple enough to conform to your body and a denser base foam engineered to prevent sagging and sinking. As a bonus, it’s one of the least expensive picks available from the buzzy sleep brand, and with the Prime Day deal, it’s priced basically as low as Casper will ever go.
Originally $570, now $409
With a hybrid mattress, you get the softness and comfort of a memory-foam layer on top and the bounce and temperature regulation of springs on the bottom. And this medium-firm hybrid Avenco mattress offers just that for back sleepers who are still looking for something with a bit more give to it. This one is also made with a cool-to-the-touch Tencel fabric and an open-cell latex foam that allows for maximum breathability.
Best for side sleepers
Originally $369, now $279
If you’re a side sleeper, you’re going to vibe with a mattress that’s slightly softer than our picks for back sleepers, mostly so that you don’t experience painful pressure along the side of the shoulder and hip that’s bearing your weight. Enter this plush Zinus mattress, made with a total of 5 inches of body-conforming memory foam atop a 7-inch layer of base support foam. That top layer is also infused with green tea and moisture-absorbing charcoal for additional calm and coolness. And all of the above has garnered it a whopping 130,000+ positive reviews and the distinction of being the number-one bestseller among all of Amazon’s mattresses.
Originally $945, now $661
Tuft & Needle’s proprietary adaptive foam makes this mattress a jack of all trades. While it’s great for side sleepers, it’s equally suited for back and stomach sleepers, too, thanks to the open-cell structure of the foam, which adjusts to your body as you move. This particular mattress is also infused with HeiQ HyProTecht technology in order to slow the growth of microorganisms (and protect against the smell and mattress degradation that can follow), making it a smart long-term investment.
Best for stomach sleepers
Originally $1,199, now $849
Like back sleepers, stomach sleepers do best with some extra firmness—in this case, to prevent the midsection from sinking into the bed and creating lower back and shoulder pressure. This all-purpose, all-foam option from Leesa is a great pick with it’s breathable comfort and pressure-relief layers. Bonus: For every 10 mattresses sold, Leesa donates one mattress to a shelter or nonprofit.
Originally $1,695, now $1,356
The targeted support of a Casper hybrid mattress is a boon for any kind of sleeper—but will be extra-appreciated by stomach sleepers. This particular mattress is made with a softer foam around the neck and shoulders and a firmer foam around the hips to help keep the body in healthy alignment throughout the night. (The fact that it’s one of the pricier options from the brand—and on this list—makes the current Prime Day sale all the more useful, too.)
Best cooling mattresses
Originally $1,195, now $837
There’s nothing like waking up in a pool of sweat to ruin an otherwise restful night of sleep. If that’s an all-too-familiar scenario for you, consider it a sign to invest in a mattress infused with cooling technology—like this gem from Tuft & Needle that’s on significant sale for Prime Day at 30 percent off. It contains cooling ceramic gel and heat-conducting graphite in an additional layer of foam (the “Mint” layer) to help ensure that heat doesn’t get trapped inside the mattress and raise your nighttime temperature.
Originally $499, now $381
If a “cooling” mattress makes you think flimsy or thin, think again: This Serta mattress boasts a layer of cooling Serta gel memory foam atop a durable foam-core layer for an end result that provides both breathable air circulation and substantial support. The additional heft of the foam core also ensures consistent edge-to-edge support, so the sides of the mattress won’t sag with use.
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