The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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Lack of water is the #1 trigger of daytime fatigue.
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You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
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Dieters who sleep more take off more fat that those who sleep less.
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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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The higher someone’s I.Q. the more likely they are to be sleep deprived.
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Cows can sleep standing up, but they can only dream lying down.
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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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