How many hours of sleep a night do I need?

How much sleep do you really need? | Sleeping with Science, a TED series

What Would Happen if You Only Got 5 Hours of Sleep Per Night - NOT GOOD!

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

Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED

6 vs 8 Hours of Sleep! (Difference is Drastic)

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

How does only 6 hours of sleep affect your body?

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

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

What Happens to Your Body on Little Sleep?

How many hours of sleep do you need?

How lack of sleep affects health and tips for a good night's rest

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

Stop Waking Up at 3AM - Huberman's Tricks for Longer Sleep

What Happens To Your Body And Brain If You Don't Get Sleep | The Human Body

Insomnia: why can't I sleep?

How to Stop Waking Up in the Middle of the Night- 6 Ways to Beat Insomnia Without Medication

How to fall back asleep in the middle of the night

How Sleep Affects Your Brain