I was never much into napping, because I usually sleep enough at night. That is until I became pregnant. Now I can't help lying down for 20 minutes in the afternoon a couple times a week. If even you're not preggers, there are a couple of reasons to take a siesta: napping in the afternoon can improve your memory and snoozing three times a week has been found to be good for your ticker.
Image Source: Thinkstock