Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
The average cat sleeps about 2/3 of the day.
203
44% of kids watch television before they go to sleep.
106
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
The average person falls asleep in seven minutes.
115