Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Honeybees never sleep.
276
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Cows can sleep standing up, but they can only dream lying down.
745
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Those who get out of bed by 7am are more likely to be thinner and happier.
20