Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

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 ...

Ever wonder why some mornings you wake up ready to go, and others you feel like a zombie? The difference often comes down to when you wake up during your sleep cycle, and that’s exactly what a sleep ...

REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in ...

On the flip side, sleep also may be used to supercharge your memories and improve your recall. “In part, while we are ...

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 ...

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 ...

Some of the proven tips for better sleep are obvious: don’t drink coffee too late in the day; give yourself time to wind down ...