Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Bats sleep 18-20 hours per day.
5
Termites work 24 hours per day and they do not sleep.
57
47% of people have a nightmare at least once a month.
186
Dieters who sleep more take off more fat that those who sleep less.
159
44% of kids watch television before they go to sleep.
106
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240