If you hold farts in during the day, they'll just come out when you sleep.
16
The human brain is more active during sleep than during the day.
28
You forget 90% of your dreams.
256
The average cat sleeps about 2/3 of the day.
203
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
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