If you hold farts in during the day, they'll just come out when you sleep.
16
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
People who sleep late have more mental stamina and can outperform early risers.
33
Honeybees never sleep.
276
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149