Sleep Cycles

There are lots of reasons you might wake up during the night, from drinking a little too much wine before bed to hearing a loud noise outside your…

Waking frequently during the night reduces your sleep satisfaction. Learn how to limit these sleep disturbances. How long you sleep each night is important, but even if you get…

Many people have no trouble sleeping through the night. For people who suffer from nighttime waking, the consequences extend far beyond a momentary annoyance. Falling asleep can be hard…

Learn about how your body knows when it’s time to sleep—and to wake up.

Learn what is really going on in your body while you’re getting your zzz's. Before the 1950's, scientists used to believe that as people drifted off to sleep, their brains…

Find out what’s happening in your brain while you’re fast asleep. Your body may be still while you sleep, but your brain is actually pretty active. In fact, it…