How many hours of sleep a night do I need?
How much sleep do you really need? | Sleeping with Science, a TED series
Doctor Explains Why You DON’T Need 8 Hours Sleep!
I Can't Sleep for More Than 4 Hours a Night - Why? | This Morning
How To Survive A Day On No Sleep
How many hours of sleep do you need?
What Happens When You Sleep 3 Hours a Night?
What Happens to Your Body on Little Sleep?
3 Animals That Sleep the Least – Can You Guess Them? #animalfacts #sleep #giraffe #elephant #horse
How to Sleep Less and Get More Out of Your Day- Thomas DeLauer
The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg
Pulling an All-Nighter vs. 2 Hours of Sleep: Which is Worse? – Healthy Living and Diet Tips–SELF
Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired
Tips to recover after a terrible night's sleep
Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED
Yoga Guru - Hansaji | How many hours should you sleep?
What Happens If You ONLY SLEEP 4 Hours A Night for 30 Days?
Why some people can thrive on less sleep – BBC REEL
Can You Sleep Too Much? (The Answer Might Surprise You)
Why Humans Are Supposed to Sleep in Two 4-Hour Phases
