"Dysania" is the state of finding it hard getting up out of bed in the morning.
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A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
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The average cat sleeps about 2/3 of the day.
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47% of people have a nightmare at least once a month.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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The human brain is more active during sleep than during the day.
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Cows can sleep standing up, but they can only dream lying down.
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Honeybees never sleep.
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