How much sleep do you really need? | Sleeping with Science, a TED series
How many hours of sleep a night do I need?
The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg
How many hours of sleep do you need?
Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED
Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired
REM Sleep - How Much Sleep Do You Need
How to Sleep Less and Get More Out of Your Day- Thomas DeLauer
How lack of sleep affects health and tips for a good night's rest
Best and Worst Times to Sleep
Why some people can thrive on less sleep – BBC REEL
Can You Sleep Too Much? (The Answer Might Surprise You)
How To Take The Ideal Nap And Avoid Bad Sleep
Yoga Guru - Hansaji | How many hours should you sleep?
How Much Sleep Do You Actually Need?
Sleep Is The Best Muscle Building "Drug"?
Dr. Matt Walker: The Science & Practice of Perfecting Your Sleep
How Sleep Affects Your Brain
Why Do I Feel So Sleepy Despite Having Enough Sleep? – Dr. Berg
Pulling an All-Nighter vs. 2 Hours of Sleep: Which is Worse? – Healthy Living and Diet Tips–SELF