Bats sleep 18-20 hours per day.
5
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The octopus does not have a blind spot.
273