 Now, you may have the scorching summer sun under control during the day, but sleeping at night when you're hot? Forget it. Impossible. Well, thankfully, WTOP's Gigi Barnett has some ways to beat the heat while you sleep. Want to sleep without the AC blasting this summer? Here's how to get some shut-eye in the heat. First, check what's on or near your skin and swap it for cotton. So that could include your pajamas, your undergarments, your bed sheets. The fabric helps you keep your body cool.