Bear, the maker of our favorite side sleeper mattress, is also running a sale during Prime Day. It's got 35 percent off sitewide with the code PRIME, plus two free pillows with any mattress purchase. It brings the mattress to the price we usually see it available for, though the $150 worth of pillows makes it a bit of a discount.

The best extended Prime Day mattress deals can help you upgrade your bed for less. We've rounded up mattress deals you can still shop now.

This is the only Amazon Prime Day mattress deal that matters! See why our shopping editor is adding the 32% off bed to cart.

October Prime Day and the Black Friday sales are still weeks away, and more restless sleep won't do anybody any good. So, if you’re looking to upgrade your mattress to something more luxurious, this weekend is the time to buy.

The bed-in-a-box memory foam mattress is made of five layers that include a heat-wicking quilted cover with cooling technology, perfect for hot sleepers who often deal with night sweats. Once delivered to your door, it's super easy to set up, too. Just take it out of the box, lie it on top of your frame, and let it expand for 24 hours.

Pillows, sheet sets, sleep masks, and more Wirecutter-approved sleep gear that’s on sale for Amazon’s Prime Big Deal Days.

Save up to $300 on these three budget mattresses with these extended Amazon Prime Day deals — but you'll have to act fast, these deals due to end any time now.