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
Bats sleep 18-20 hours per day.
5
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
You forget 90% of your dreams.
256
Lack of water is the #1 trigger of daytime fatigue.
148
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193