The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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You forget 90% of your dreams.
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The average person falls asleep in seven minutes.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Cows can sleep standing up, but they can only dream lying down.
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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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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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Termites work 24 hours per day and they do not sleep.
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