Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
"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
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
44% of kids watch television before they go to sleep.
106