Did you know?
- Thrushes take hundreds of power naps a day, a few seconds at a time, in mid-flight.
- Otters fall asleep floating on their backs, sometimes holding paws with their friends so they don’t drift apart.
- Giraffes snooze only 20 minutes a day, often curled up with their heads on their own rumps.
- Brown bats doze 19 hours a day upside down.
- The desert snail has been recorded sleeping up to four years at a time.