The higher someone’s I.Q. the more likely they are to be sleep deprived.
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Dieters who sleep more take off more fat that those who sleep less.
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Lack of water is the #1 trigger of daytime fatigue.
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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
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.
15