How many hours of sleep a night do I need?
Doctor Explains Why You DON’T Need 8 Hours Sleep!
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
How Much Sleep Do You Really Need? - Professor Of Neuroscience
Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED
What Happens To Your Body And Brain If You Don't Get Sleep | The Human Body
6 vs 8 Hours of Sleep! (Difference is Drastic)
How lack of sleep affects health and tips for a good night's rest
How does only 6 hours of sleep affect your body?
How Much Sleep Should I Be Getting? | Is 6-8 Hours of Sleep Enough?
Pulling an All-Nighter vs. 2 Hours of Sleep: Which is Worse? – Healthy Living and Diet Tips–SELF
What Happens to Your Body on Little Sleep?
I Can't Sleep for More Than 4 Hours a Night - Why? | This Morning
How to Stop Waking Up in the Middle of the Night- 6 Ways to Beat Insomnia Without Medication
How many hours of sleep do you need?
The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg
Ask Dr. Park: How Much Sleep Should an Adult Get Each Night?
What Happens To Your Body When You Sleep 4-6 Hours vs 7-10 Hours
Sleep Is The Best Muscle Building "Drug"?