What Would Happen if You Only Got 5 Hours of Sleep Per Night - NOT GOOD!
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
How to Sleep Less and Get More Out of Your Day- Thomas DeLauer
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
Rain Sound For Sleep - 99% Sleep | Rain Sounds for Sleeping - for Insomnia, Study, Relax, ASMR RAIN
I Cut My Sleep To 5 Hours Using This Weird Method
What happens when we sleep?
Scientist Explains How Some People Need Only 4 Hours of Sleep | WIRED
"4 HOURS OF SLEEP" - The Fatal Mistake You're Making (Matthew Walker , Tim Grover , Rahul Jandial)
Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired
What Happens If We Don’t Sleep? - Guinness World Records
How Sleep Affects Your Brain
The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg
How to FIX Your SLEEP Schedule in 5 DAYS or Less
What Happens to Your Body on Little Sleep?
Why Humans Are Supposed to Sleep in Two 4-Hour Phases
Why some people can thrive on less sleep – BBC REEL
I Decided to Sleep for 4 Hours a Day, See What Happened