This Nectar mattress is a whopping 46% off, saving you an unheard of $550 this Prime Day. It has cooling memory foam gel comfort, a year long sleep trial, five layers of mattress material, and a pillow top. Its softness rating is 4 out of 5 stars and almost 4 stars for sleep quality and comfort.

The Nectar Memory Foam Mattress is also on sale, with the best discount landing on the king size. Nectar Sleep is price-matching Amazon on this one, so you can buy a king Nectar Memory Foam Mattress for $649 at Nectar itself or via Amazon’s Nectar Store. The year’s trial and forever warranty are the same at both.

Mattresses can get expensive, which is why Prime Day is one of the best times of the year to upgrade your sleeping arrangements. From popular mattress brands like Nectar , Casper and Tuft & Needle to luxe DreamCloud models and budget-friendly finds from Zinus and Linenspa, we've found all the best Prime Day mattress deals available at Amazon now.