Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
Bats sleep 18-20 hours per day.
5
If you hold farts in during the day, they'll just come out when you sleep.
16