If you hold farts in during the day, they'll just come out when you sleep.
16
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
Lack of water is the #1 trigger of daytime fatigue.
148
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