Can You Get Too Much Sleep?
Can You Sleep Too Much? (The Answer Might Surprise You)
What Happens if You Get Too Much Sleep? Health Risks of Oversleeping
Too much REM sleep: why do depressed people wake up exhausted? | Human Givens
What would happen if you didn’t sleep? - Claudia Aguirre
Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED
How much sleep do you really need? | Sleeping with Science, a TED series
How many hours of sleep a night do I need?
"SLEEP Like a Baby!" | Barbara O'Neill Reveals Everynight Habit That Beat INSOMNIA
What happens when we sleep?
Do Depressed People Need More Sleep? How To Do Wake Therapy
Why you're still tired after getting 8 hours of sleep
Insomnia: why can't I sleep?
How lack of sleep affects health and tips for a good night's rest
How to deal with your insomnia — and finally get to sleep | Sleeping with Science
Depression and Sleep
How to Stop Oversleeping | wikiHow Asks an Expert Sleep Doctor
How To Survive A Day On No Sleep
How Sleep Affects Your Brain
The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg