If you've been wanting to save on some of the best mattresses our sleep team have ever tested, have a look at the deals below. With the money you save, you can pick up some fresh linens and pillows on sale during Amazon Prime Day bedding deals.

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.

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.