Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Dieters who sleep more take off more fat that those who sleep less.
159
A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
194
44% of kids watch television before they go to sleep.
106
Cows can sleep standing up, but they can only dream lying down.
745
Honeybees never sleep.
276
Termites work 24 hours per day and they do not sleep.
57