The average cat sleeps about 2/3 of the day.
203
44% of kids watch television before they go to sleep.
106
Termites work 24 hours per day and they do not sleep.
57
Bats sleep 18-20 hours per day.
5
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
The human brain is more active during sleep than during the day.
28
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23