Honeybees never sleep.
276
The average cat sleeps about 2/3 of the day.
203
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
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Dieters who sleep more take off more fat that those who sleep less.
159
You burn more calories sleeping than you do watching television.
348