Sleeping for 7 to 9 hours at night isn't the only way to catch some z's. Here are four alternative sleep cycles -- and they're pretty obscure. Annie Miller Medical Reviewer Annie Miller is a licensed ...

You can try taking short naps under 30 minutes to boost your energy and alertness. Setting an alarm helps keep your naps under 30 minutes to prevent feeling groggy when you wake up. You might avoid ...

Let me tell you something. I used to be a nap hater. I could not stand the idea of a midday rest, unless I had late-night plans and needed to fuel up. And even then, I'd end up wasting the time away ...