Cows can sleep standing up, but they can only dream lying down.
745
You forget 90% of your dreams.
256
47% of people have a nightmare at least once a month.
186
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
The human brain is more active during sleep than during the day.
28