Видео ютуба по тегу How Much Sleep Do You Really Need

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

How Much Sleep Do You REALLY Need?

How much sleep do you really need? (S1) | The Power of Good Health

How Much Sleep Do You Actually Need?

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

How much sleep do you really need?

How many hours of sleep do you need?

How Much Sleep Do You Need? - Professor Of Neuroscience, Russel Foster

How many hours of sleep a night do I need?

Сколько сна вам действительно нужно?

Are naps actually good for us? | Sleeping with Science

How much sleep do you really need?

How much sleep do you really need?

How Much Sleep Do We Need? | Health Benefits & Healing Power of Sleep | Sleep & Productivity

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