What Would Happen if You Only Got 5 Hours of Sleep Per Night - NOT GOOD!

Common myths busted: 5 hrs of sleep not enough, can be fatal

I Can't Sleep for More Than 4 Hours a Night - Why? | This Morning

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

What Happens To Your Body When You Sleep 4-6 Hours vs 7-10 Hours

How to Sleep Less and Get More Out of Your Day- Thomas DeLauer

Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired

Ep. 47: Sleeping Less Than 6 Hours? You're Probably Sleep Deprived | The Scope

How Much Sleep Do You Actually Need?

Why some people can thrive on less sleep – BBC REEL

What Happens to Your Body on Little Sleep?

Understand SLEEP DEBT | Can you Train yourself to sleep only 4 - 5 hours a day | Dr.Education

The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg

10 Sleep Myths Finally Debunked

How to Sleep Less & Sleep Better

How a Sleep Doctor Trained His Body To Survive On Less Than 8 Hours Of Sleep a Night

Scientist Explains How Some People Need Only 4 Hours of Sleep | WIRED

What Happens If You ONLY SLEEP 4 Hours A Night for 30 Days?

Can You Sleep Too Much? (The Answer Might Surprise You)