Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Lack of water is the #1 trigger of daytime fatigue.
148
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
People who sleep late have more mental stamina and can outperform early risers.
33
Cows can sleep standing up, but they can only dream lying down.
745
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