We do it every night, but science still isn't sure exactly why we sleep.
Starved of environmental cues telling us when it's time to go to sleep, our sleep cycles are actually a little longer than twenty-four hours.
There are lots of good reasons why you should try to get more sleep.
ATTENTION Night Owls! Losing sleep takes a serious toll on your health and safety.
Sorry BUGS, your brain isn't equipped for REM sleep, or any sleep for that matter.
Scientists analyzed three years of major league baseball games to see if they could find a link between jet lag, and home field advantage.
Marine mammals don't sleep for a solid 8 hours a night, the way we do.
When it comes to "make it or break it" moments, the male sandpiper is a whiz at wakefulness.
How does the body know when to wake up? How does the body know when to fall asleep?
Can sleeping in a room full of plants can be dangerous? A common myth states that, at night, plants compete with people for oxygen!