Honeybees never sleep.
276
You forget 90% of your dreams.
256
The human brain is more active during sleep than during the day.
28
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12