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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Bats sleep 18-20 hours per day.
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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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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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People who sleep late have more mental stamina and can outperform early risers.
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Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
The higher someone’s I.Q. the more likely they are to be sleep deprived.
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