Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
Bats sleep 18-20 hours per day.
5
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
44% of kids watch television before they go to sleep.
106
Lack of water is the #1 trigger of daytime fatigue.
148