Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
47% of people have a nightmare at least once a month.
186
The average person falls asleep in seven minutes.
115
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Honeybees never sleep.
276
Cows can sleep standing up, but they can only dream lying down.
745
Termites work 24 hours per day and they do not sleep.
57