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

Mastering the Art of Sleep: Finding the Perfect Balance of Deep, Light, and REM Sleep

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

How many hours of sleep a night do I need?

A walk through the stages of sleep | Sleeping with Science, a TED series

What happens when we sleep?

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

"Get Quality and Sufficiently Long Deep Sleep" by Dr. Andrew Huberman

7 Reasons Why You Get Up During the Night – Dr.Berg On Sleep Apnea

How Sleep Affects Your Brain

Mayo Clinic Minute: What are the stages of sleep?

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

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

How many hours of sleep do you need?

The surprising health benefits of dreaming | Sleeping with Science

Elon Musk Shares How Many Hours of Sleep He Needs to Be Productive! | @MindMasteryX

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

Why you're still tired after getting 8 hours of sleep

What causes insomnia? - Dan Kwartler

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