"Dysania" is the state of finding it hard getting up out of bed in the morning.
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Bats sleep 18-20 hours per day.
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Cows can sleep standing up, but they can only dream lying down.
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The average person falls asleep in seven minutes.
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Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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If you hold farts in during the day, they'll just come out when you sleep.
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