One reason that kittens sleep so much is because a growth hormone is released only during 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
"Dysania" is the state of finding it hard getting up out of bed in the morning.
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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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