Add Yahoo as a preferred source to see more of our stories on Google. eightsleep-1.jpg Caroline Igo/CNET My boyfriend and I are both hot sleepers. Before we turned to cooling sleep tech, we used to ...

In this sweltering summer, nothing is worse than waking up glued to your sheets by the buckets of sweat you shed overnight. And when last night's ceiling fan has turned from a cooling breeze into the ...