REM Sleep Disorder
REM sleep: is too little REM sleep DANGEROUS?!
Too much REM sleep: why do depressed people wake up exhausted? | Human Givens
How lack of sleep affects health and tips for a good night's rest
The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg
What Happens To Your Body And Brain If You Don't Get Sleep | The Human Body
Is Too Much REM Sleep An Issue? | Cabral Concept 2336
REM Sleep - How Much Sleep Do You Need
How to Get More REM Sleep
How Sleep Affects Your Brain
How sleep affects your emotions | Sleeping with Science, a TED series
Mastering the Art of Sleep: Finding the Perfect Balance of Deep, Light, and REM Sleep
What Happens to Your Body on Little Sleep?
REM sleep vs. deep sleep and their importance for cardiovascular and emotional health | Matt Walker
Sleep deprivation and memory problems | Robbert Havekes | TEDxDenHelder
The Danger of Sleeping Too Much
Is weed ACTUALLY bad for sleep? A sleep doctor investigates!
Insomnia: why can't I sleep?
Dr. Matt Walker: The Science & Practice of Perfecting Your Sleep
What happens when we sleep?