For better sleep, many of us turn to sleep-tracking apps, therapeutic techniques or medications and supplements like sleeping pills or melatonin. But sometimes the solution comes down to nothing more ...

How sleeping in 90 minute blocks has helped me get rid of morning grogginess.

Sleep doesn’t always get top billing in migraine conversations. It’s not as attention-grabbing as supplements or as immediate ...

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 ...