"Dysania" is the state of finding it hard getting up out of bed in the morning.
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47% of people have a nightmare at least once a month.
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The average cat sleeps about 2/3 of the day.
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Cows can sleep standing up, but they can only dream lying down.
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44% of kids watch television before they go to sleep.
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Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
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