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
Bats sleep 18-20 hours per day.
5
The average cat sleeps about 2/3 of the day.
203
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
If you hold farts in during the day, they'll just come out when you sleep.
16