Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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Cows can sleep standing up, but they can only dream lying down.
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Termites work 24 hours per day and they do not sleep.
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Bats sleep 18-20 hours per day.
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The average person falls asleep in seven minutes.
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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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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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