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

How many hours of sleep a night do I need?

How many hours of sleep do you need?

How Much Sleep Do You Actually Need?

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

7 hours of sleep is ideal amount for middle-aged adults, study shows

What Happens To Your Body When You Sleep 4-6 Hours vs 7-10 Hours

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

Is Six Hours of Sleep Enough?

Science Explains How Much Sleep You Need Depending on Your Age

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

How to SLEEP faster & better? Unlock the superpower of sleep by Abhi and Niyu

Is 7 hours of sleep enough? How much sleep do you need?

Best and Worst Times to Sleep

Can You Sleep Too Much? (The Answer Might Surprise You)

Bodybuilding & Sleep: How Much Sleep For Muscle Growth?

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

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

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

Sleep Time & Age