Mastering the Art of Sleep: Finding the Perfect Balance of Deep, Light, and REM Sleep
The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg
A walk through the stages of sleep | Sleeping with Science, a TED series
What's REM Sleep - How Much Do You Need?
How to Get More REM Sleep
Are you Getting Enough Deep Sleep?
Is This the Weirdest Cat Naps Ever?
How much sleep do you really need? | Sleeping with Science, a TED series
2-Minute Neuroscience: Stages of Sleep
REM sleep vs. deep sleep and their importance for cardiovascular and emotional health | Matt Walker
How Much Sleep Do You Need? - Professor Of Neuroscience, Russel Foster
Stages of Sleep - non-REM, REM, Sleep Studies
What happens when we sleep?
REM Sleep Disorder
"Get Quality and Sufficiently Long Deep Sleep" by Dr. Andrew Huberman
Too much REM sleep: why do depressed people wake up exhausted? | Human Givens
The Sleep Cycle: How It Works And Explaining The 4 Stages of Sleep!
REM sleep: is too little REM sleep DANGEROUS?!
Sleep stages and circadian rhythms | Processing the Environment | MCAT | Khan Academy