In 1965, Randy Gardner, a 17-year-old high school student, set the world-record for the longest a human has intentionally gone without sleep not using stimulants of any kind. Gardner stayed awake for 264.4 hours (11 days 25 minutes). Watch the video below to see what happens to our body if we don’t sleep that long.
Why is sleep so necessary? This video from TED-Ed perfectly explains the science behind sleep and we really, really need a good, deep shut eye every night. Watch!
Credit: Youtube / TED-Ed
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