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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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
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44% of kids watch television before they go to sleep.
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Lack of water is the #1 trigger of daytime fatigue.
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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.
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