1. Randy Gardner is the holder of the record for the longest period a human has intentionally gone without sleep, not using stimulants. He stayed awake for 264.4 hours (11 days 24 minutes).
2. Records for voluntary sleep deprivation are no longer kept by the Guinness World Records because of concerns for the health and safety of the participants.
3. Clinophobia (or somniphobia) is an intense, irrational fear of going to sleep.
4. It's impossible to tell if someone is really awake without close medical supervision. People can nap with their eyes open without even being aware of it.
5. When a new baby arrives, parents can loose around 400-750 hours of sleep in the first year.
6. Elephants mostly stand while sleeping. They can also lie down but not for longer than an hour because their own body weight can crush their internal organs.
7. Snoring only occurs in non-REM sleep.
8. If you don’t get enough sleep you may start to hallucinate.
9. Adrenocorticotropin is a hormone in humans that acts like an internal alarm clock. It’s released several hours before your usual wake-up time.
6. Modern Ghana