People who sleep late have more mental stamina and can outperform early risers.
33
If you hold farts in during the day, they'll just come out when you sleep.
16
Cows can sleep standing up, but they can only dream lying down.
745
47% of people have a nightmare at least once a month.
186
You forget 90% of your dreams.
256
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
The average cat sleeps about 2/3 of the day.
203