One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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44% of kids watch television before they go to sleep.
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Honeybees never sleep.
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Termites work 24 hours per day and they do not sleep.
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