If you’ve ever tossed and turned as sweat trickled down your back, you can likely stand in unity with the following: Heat is the worst. The best cooling mattress covers, however, are the ...

I tried freezing my socks, and it'll definitely keep you cool when you first go to bed and provides a refreshing boost, but it won't last all night.

Eight Sleep now offers the innovative Pod 3 and 4 Covers to address this. They can heat and cool each side of the bed, with an impressive temperature range from 55 to 110 degrees Fahrenheit. The ...