How much sleep do you really need? | Sleeping with Science, a TED series
How many hours of sleep a night do I need?
How many hours of sleep do you need?
Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED
Should you get 8 hours of sleep? | Andrew Huberman and Lex Fridman
How Much Sleep Should I Be Getting? | Is 6-8 Hours of Sleep Enough?
How Much Sleep Do You Actually Need?
What Happens To Your Body When You Sleep 4-6 Hours vs 7-10 Hours
Relaxing Rainfall for Sleep, Study & Focus | 7 Hours of Gentle Rain for a Calm Atmosphere
The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg
Why Getting the 8th Hour of Sleep Matters
How to Sleep Less and Get More Out of Your Day- Thomas DeLauer
Yoga Guru - Hansaji | How many hours should you sleep?
Sleep Is The Best Muscle Building "Drug"?
Why you're still tired after getting 8 hours of sleep
Why You're Always Tired - 7 Myths Ruining Your Sleep
Doctor Explains Why You DON’T Need 8 Hours Sleep!
Best and Worst Times to Sleep
Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired
Science Explains How Much Sleep You Need Depending on Your Age