Termites work 24 hours per day and they do not sleep.
57
The average cat sleeps about 2/3 of the day.
203
Bats sleep 18-20 hours per day.
5
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12