You know that moment when you kick one foot out from under the covers at 2 a.m.? Turns out your body is doing something clever. Temperature regulation is one of the most underrated parts of falling and staying asleep, and your feet are doing a surprising amount of the work. Sleep doctors say the debate over socks at bedtime is more interesting than it sounds, and the answer depends on more than just whether your feet run cold. Does Wearing Socks to Bed Actually Help You Sleep? For a lot of people, yes. Warming your feet helps your body release heat and drop its core temperature, which is basic...