Bats sleep 18-20 hours per day.
5
44% of kids watch television before they go to sleep.
106
47% of people have a nightmare at least once a month.
186
Cows can sleep standing up, but they can only dream lying down.
745
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
Those who get out of bed by 7am are more likely to be thinner and happier.
20