One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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"Dysania" is the state of finding it hard getting up out of bed in the morning.
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Honeybees never sleep.
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Bats sleep 18-20 hours per day.
5
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
Termites work 24 hours per day and they do not sleep.
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