Most people spend a third of their lives sleeping, but you may need more or less than eight hours a night. The amount of ...

In other words, we’re seeing a trade-off. Industrial societies have created environments that allow for longer, more ...

“When the time is moved forward by one hour, there is a one-hour loss in sleep opportunity, and most adults because they are ...

Your brain’s natural rinse cycle flows while you sleep. A new study suggests certain medications interfere with that important nightly ritual.

For more tips on how to sleep better, here are the 7 best natural sleep aids, and here's how to fall asleep in 10 minutes or ...

Scientists first came up with the hypothesis that certain pulsing brain wave patterns that occur during sleep might be physically washing accumulated waste products out of your brain several years ago ...

with implications reaching into virtually every aspect of human health and performance. Sleep represents far more than simply “powering down” the body and brain. During healthy sleep cycles ...