How many hours of sleep a night do I need?
How much sleep do you really need? | Sleeping with Science, a TED series
Why you're still tired after getting 8 hours of sleep
What happens when we sleep?
Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED
How To Survive A Day On No Sleep
I Can't Sleep for More Than 4 Hours a Night - Why? | This Morning
The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg
Can’t sleep at night but always sleepy during the day? Medicine Expert #shorts
Why Do I Feel So Sleepy Despite Having Enough Sleep? – Dr. Berg
Pulling an All-Nighter vs. 2 Hours of Sleep: Which is Worse? – Healthy Living and Diet Tips–SELF
How To Fix Your Sleep Schedule - Reset Your Sleep Pattern (animated)
How Sleep Affects Your Brain
Insomnia: why can't I sleep?
How lack of sleep affects health and tips for a good night's rest
Why You're Always Tired - 7 Myths Ruining Your Sleep
Insomnia: when you’ve tried everything and still can’t sleep
How to FIX Your SLEEP Schedule in 5 DAYS or Less
How many hours of sleep do you need?
Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired