Bats sleep 18-20 hours per day.
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Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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The average person falls asleep in seven minutes.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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