How to only get 5 hours of sleep a night

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

Sleep Revolution Clinic - How Can I Get More Than 4 Hours Sleep a Night? | Lorraine

Gravity Position - How to make 5 hours of sleep feel like 8.

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

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

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

Tips to recover after a terrible night's sleep

Can you sleep for just 4 hours a day ??

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

I Decided to Sleep for 4 Hours a Day, See What Happened

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

How to Sleep Less & Sleep Better

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

Pulling an All-Nighter vs. 2 Hours of Sleep: Which is Worse? – Healthy Living and Diet Tips–SELF

Do people really need 8 hours of sleep?

10 Sleep Myths Finally Debunked

How to sleep less without being tired? - Dr.Matt