The strangers in your dreams are actually people that you've seen in real life.
50
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
44% of kids watch television before they go to sleep.
106
Bats sleep 18-20 hours per day.
5
Cows can sleep standing up, but they can only dream lying down.
745
The average cat sleeps about 2/3 of the day.
203