Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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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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Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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Those who get out of bed by 7am are more likely to be thinner and happier.
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People who sleep late have more mental stamina and can outperform early risers.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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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!
6