Sea otters hold hands while sleeping so they don’t drift away from each other.
104
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
The strangers in your dreams are actually people that you've seen in real life.
50
Termites work 24 hours per day and they do not sleep.
57
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
The average person falls asleep in seven minutes.
115