Sleep- Why we need it (3)

Sleep: In the video you will find out why we need it, we can’t live with out it and what happens without it.   Watch the video…



What happens when you don’t sleep? And why do we need to do it anyways? Hank explains the science of sleep: the cause, the benefits, and who holds the record for going without it!

Sleep- Why we need it (1)

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