Lack of water is the #1 trigger of daytime fatigue.
148
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
People who sleep late have more mental stamina and can outperform early risers.
33
Bats sleep 18-20 hours per day.
5
The strangers in your dreams are actually people that you've seen in real life.
50