What Happens If You ONLY SLEEP 4 Hours A Night for 30 Days?
I Can't Sleep for More Than 4 Hours a Night - Why? | This Morning
How many hours of sleep a night do I need?
What Happens When You Sleep 3 Hours a Night?
What Happens to Your Body on Little Sleep?
Scientist Explains How Some People Need Only 4 Hours of Sleep | WIRED
How to Sleep Less and Get More Out of Your Day- Thomas DeLauer
How to Only Sleep 2 Hours Per Day
What If You Sleep 2 Hours Less Every Night?
"4 HOURS OF SLEEP" - The Fatal Mistake You're Making (Matthew Walker , Tim Grover , Rahul Jandial)
Why Humans Are Supposed to Sleep in Two 4-Hour Phases
Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED
What would happen if you didn’t sleep? - Claudia Aguirre
Why you're still tired after getting 8 hours of sleep
How many hours of sleep do you need?
Why some people can thrive on less sleep – BBC REEL
How much sleep do you really need? | Sleeping with Science, a TED series
Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired
How Much Sleep Do You Actually Need?
Doctor Explains Why You DON’T Need 8 Hours Sleep!