The Danger of Sleeping Too Much
The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg
Too much REM sleep: why do depressed people wake up exhausted? | Human Givens
REM Sleep - How Much Sleep Do You Need
Is Too Much REM Sleep An Issue? | Cabral Concept 2336
REM Sleep Disorder
Are You Sleeping Too Much?
How much sleep do you really need? | Sleeping with Science, a TED series
Magical Forest Music for Deep Sleep | Tranquil Forest Music at Night for Calming and Relaxation
Mastering the Art of Sleep: Finding the Perfect Balance of Deep, Light, and REM Sleep
Is Sleeping Too Much Bad For Your Health? | Alexandria Reynolds | TEDxUVaWise
Are you Getting Enough Deep Sleep?
Why you're still tired after getting 8 hours of sleep
What Happens To Your Body And Brain If You Don't Get Sleep | The Human Body
What happens when we sleep?
Are naps actually good for us? | Sleeping with Science
REM sleep: is too little REM sleep DANGEROUS?!
Dr. Matt Walker: The Science & Practice of Perfecting Your Sleep
What causes insomnia? - Dan Kwartler
Health experts warn of risks with taking melatonin