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"Breaking Human Records: How Apollo Astronauts Survived on Only 3 Hours of Sleep in Space!"
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The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg
Ep. 47: Sleeping Less Than 6 Hours? You're Probably Sleep Deprived | The Scope
How Much Sleep Do You Need? - Professor Of Neuroscience, Russel Foster
How to Sleep Less and Get More Out of Your Day- Thomas DeLauer
Yoga Guru - Hansaji | How many hours should you sleep?
How Sleep Affects Your Gains (And How To Get More Of It!)
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Why some people can thrive on less sleep – BBC REEL
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The World’s No.1 Sleep Expert: The 6 Sleep Hacks You NEED! Matthew Walker
I Can't Sleep for More Than 4 Hours a Night - Why? | This Morning
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