As we sleep, our brain moves through four stages and two phases: non-rapid eye movement (NREM) and rapid eye movement (REM). The brain has four stages within the NREM phase. Each stage and phase of ...

Have you ever wondered what actually happens in the brain during sleep? While your body appears still and at rest, your brain remains highly active, carrying out essential processes that keep you ...

They found that each time someone "zoned out," a CSF wave surged through the brain, mimicking the deep-sleep cleaning cycle. When participants briefly lost focus, researchers noticed several body ...

You can see it coming in right there, that little spot,” says neuroscientist and engineer Laura Lewis. A remarkably bright pulsing dot has appeared on the monitor in front of us. We are watching, in ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Charlotte Gartenberg: Do you find it hard to fall asleep? If you do, you're not ...

Thanks to the Internet, it's the age of self-diagnosis. People like to learn about (and treat) themselves through technology. As a sleep researcher, I was interested in my friends' use of ...

If you've been looking for a sign to work on your sleep hygiene, this is it. A new study suggests that a particular wave of sleep, called slow-wave sleep, plays an integral role in staving off ...