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

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

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

How Much Sleep Should I Be Getting? | Is 6-8 Hours of Sleep Enough?

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

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

Why some people can thrive on less sleep – BBC REEL

Yoga Guru - Hansaji | How many hours should you sleep?

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

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

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

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

How Much Sleep Do You Need? - Professor Of Neuroscience, Russel Foster

How to Sleep Less & Sleep Better

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

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

What Happens to Your Body on Little Sleep?

Since you sleep only for 3 to 3.5 hours in a day, do you feel lightheaded, drowsy & dizzy? –Dr Zakir

Can you sleep for just 4 hours a day ??