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.

From now until end of day October 10th, Saatva mattresses are $300 off when you shop through our exclusive links. P.S. Each mattress comes with free white-glove delivery and setup at no extra cost. Saatva’s delivery team will also remove your old mattress for free if you select the mattress removal option at checkout.

Save big on your best-night’s sleep with our exclusive link. Take $300 off one mattress $1,000+ at this Prime Day alternative sale.

During our testing process of this mattress, we found that it works wonders for alleviating back pain, and one of the chiropractors we consulted for the story agreed. "This is a true memory foam mattress that will contour to your spine’s unique curves and help alleviate pain,