Lately, I’ve been waking up every night in the middle of the night like clockwork. It’s a bit of a mystery as to why: I haven’t been feeling particularly stressed about anything—not work, not my ...

The Elemind headband promises to help you fall asleep faster. This is what happened when I put it to the test for a nap.

Here’s how it works. First, place the tip of your tongue against your two upper front teeth, and keep it there. (The goal is to inhale and exhale around your tongue.) Then: While inhaling and exhaling ...

(CNN) — You fall asleep at an appropriate hour, giving yourself enough time to rest before a big day ahead — only to be jolted awake by racing thoughts: Was your friend secretly offended by your joke?

If you've ever fallen asleep to the gentle sounds of white noise played through a set of wireless earbuds, you'll know just how soothing it is to let the din of a rainy forest or ocean waves beckon ...