You forget 90% of your dreams.
256
Cows can sleep standing up, but they can only dream lying down.
745
44% of kids watch television before they go to sleep.
106
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
47% of people have a nightmare at least once a month.
186
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212