You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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You burn more calories sleeping than you do watching television.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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The strangers in your dreams are actually people that you've seen in real life.
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