Sea otters hold hands while sleeping so they don’t drift away from each other.
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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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Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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People who sleep late have more mental stamina and can outperform early risers.
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47% of people have a nightmare at least once a month.
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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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