The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg

REM Sleep Disorder

How to Get More REM Sleep

What Happens To Your Body And Brain If You Don't Get Sleep | The Human Body

REM Sleep - How Much Sleep Do You Need

A walk through the stages of sleep | Sleeping with Science, a TED series

Doctor: Jackson had no REM sleep

Too much REM sleep: why do depressed people wake up exhausted? | Human Givens

"Boost Your Brain Power in Just 10 Minutes – No Sleep Needed!"

What causes insomnia? - Dan Kwartler

Violent dreams: Diagnosing REM sleep behavior disorder

How lack of sleep affects health and tips for a good night's rest

What happens when we sleep?

Are naps actually good for us? | Sleeping with Science

What Happens to Your Body on Little Sleep?

Sleep: What's REM Got to do With It

How Sleep Affects Your Brain

Insomnia: why can't I sleep?

Stages of Sleep - non-REM, REM, Sleep Studies

The surprising health benefits of dreaming | Sleeping with Science