The human brain is more active during sleep than during the day.
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A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
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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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Honeybees never sleep.
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44% of kids watch television before they go to sleep.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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