SURVIVING on JUST 5 hours of sleep?😳 #shorts

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

Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED

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

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

How much sleep do you really need? | Sleeping with Science, a TED series

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

"4 HOURS OF SLEEP" - The Fatal Mistake You're Making (Matthew Walker , Tim Grover , Rahul Jandial)

How Much Sleep Do You Actually Need?

What Would Happen If You Got 9 hours of Sleep for 7 Days

Trump gets 4 to 5 hours of sleep a night

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

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

10 Sleep Myths Finally Debunked

What to do when you CAN'T sleep

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

Why some people can thrive on less sleep – BBC REEL

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