You forget 90% of your dreams.
256
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
44% of kids watch television before they go to sleep.
106
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The average cat sleeps about 2/3 of the day.
203
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193