If you’re taking magnesium for better sleep, timing could make all the difference—here’s what experts say you need to know.

L-theanine is best used about one to two hours before bedtime for better sleep, or any time of day when you want to improve ...

It’s just like the light that you are experiencing while you are sleeping affects your sleep, and the air that you’re ...

If the words "military sleep method" send you running, you might be missing out on the best sleep of your life. This method could be your ticket to falling asleep more quickly (and staying asleep!), ...

The following story is excerpted from TIME’s special edition, The Science of Sleep, which is available at Amazon. Anyone who has nodded off on the subway, faked alertness in a meeting at work or ...

How does your brain know when it's time to sleep? There are two main factors: Hours Awake. The longer you've been awake, the stronger your drive for sleep. Circadian Rhythm. Your body operates on a ...