"Dysania" is the state of finding it hard getting up out of bed in the morning.
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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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People who sleep late have more mental stamina and can outperform early risers.
33
Bats sleep 18-20 hours per day.
5
If you hold farts in during the day, they'll just come out when you sleep.
16
Sea otters hold hands while sleeping so they don’t drift away from each other.
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