What we like: Our top memory-foam mattress topper pick is a good option for back- and stomach-sleepers. Offers medium-firm supportive and body-conforming comfort that's not overly sinky. Provides great motion isolation. The removable, washable cover has corner straps to keep it snugly on the bed.

We’re into day three of the four-day Amazon Prime Day 2025 sale. So, if you need to upgrade your worn-out mattress, now’s your chance to do it for less because I’ve found the best mattress deals in the summer sale event.

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