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

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 ...

"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 ...

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 ...

Pink noise—often used to promote sleep—may reduce restorative REM sleep and interfere with sleep recovery. In contrast, ...

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 ...

Yet somehow, you woke up feeling like you ran a marathon in your dreams. Your body feels heavy. Your brain feels foggy. And ...

A study found that certain types of background noise used by millions to help them sleep actually interferes with their sleep ...