You know as well as we do that the amount and type of sleep you get every night can significantly affect your mood, energy level and comfort throughout the day. But isn't it odd that sometimes you ...

Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

You may remember little to nothing when you wake up, but there’s a lot going on while you sleep. You just spent the previous seven to nine hours moving through a highly structured cycle of sleep ...

"I have to get my deep REM sleep," expresses a common confusion about two very different types of sleep. Deep sleep and rapid eye movement (REM) sleep are not the same; they do not even overlap. They ...

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 ...

You’ve heard of REM sleep but what about deep sleep? Experts share why it’s important and how to make sure you’re getting enough of it.

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 ...