Termites work 24 hours per day and they do not sleep.
57
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
Honeybees never sleep.
276
The strangers in your dreams are actually people that you've seen in real life.
50
You forget 90% of your dreams.
256
If you hold farts in during the day, they'll just come out when you sleep.
16
The average cat sleeps about 2/3 of the day.
203