Honeybees never sleep.
276
People who sleep late have more mental stamina and can outperform early risers.
33
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12