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30 Amazing Facts about Sleep | Amazing Facts 4U

  1. Amazing fact is that humans spend a third of their life sleeping. That’s about 25 years. In fact the average person also spends 6 years of their life dreaming.
  2. Most of what we know about sleep we’ve learned only in the past 25 years.
  3. Parents of new babies miss out on 6 months worth of sleep in the first 2 years of their child’s life.
  4. Teenagers need as much sleep as small children (about 10 hrs) while those over 65 need the least of all (about six hours). For the average adult aged 25-55, eight hours is considered optimal.
  5. Fact is sleeping less than 7 hours each night reduces your life expectancy. Sleep is just as important as diet and exercise.
  6. You strengthen memories made during the day while you sleep.
  7. Man is the only mammal that willingly delays sleep.
  8. Amazingly you will die from sleep deprivation earlier than food deprivation. You may starve for 2 weeks but  probably 10 days of sleep deprivation can kill you.
  9. If it takes you less than five minutes to fall asleep then very likely you are sleep deprived. The ideal amount of time is about 10 to 15 minutes.
  10. It has been found that women who sleep less than 5 hours a night gain a significant amount more weight over time than those who sleep 7 hours or more.
  11. The Challenger space shuttle disaster, the Chernobyl nuclear meltdown, and the 1989 Exxon oil spill were all caused to some extent by sleep deprivation.
  12. Not sleeping for 16 hours leads to a decrease in performance equivalent to having a blood alcohol level of .05%
  13. After five nights of partial sleep deprivation, three drinks will have the same effect on your body as six would when you’ve slept enough.
  14. Within 5 minutes of waking up , 50 % of the dream is forgotten. Within 10 minutes , 90 % of it is gone.
  15. Sometimes it may be impossible to tell if someone is really awake as people can take cat naps with their eyes open without even being aware of it.
  16. REM (Rapid Eye Movement ) sleep occurs in bursts totaling about 2 hours a night, usually beginning about 90 minutes after falling asleep.
  17. The continuous brain recordings that led to the discovery of REM (rapid eye-movement) sleep were not done until 1953, partly because the scientists involved were concerned about wasting paper.
  18. Snoring occurs only in non-REM sleep.
  19. 10 % of snorers have sleep apnoea, a disorder which causes sufferers to stop breathing up to 300 times a night and significantly increases the risk of suffering a heart attack or stroke.
  20. There are two periods of maximum sleepiness  ,  the late afternoon (from around 3 to 5 PM) and the end of the night (from around 3 to 5 a.m.). There are also two periods of maximum alertness  around  1 a.m. in the morning and 1 p.m. in the afternoon.
  21. It’s impossible to sneeze while sleeping.
  22. 1 out of 50 teenagers still wet their beds.
  23. Amazing fact is that you burn more calories watching TV than you do sleeping.
  24. The British military amazingly figured out a way to reset soldiers’ body clocks so they can go without sleep for up to 36 hours by simulating a sunrise on their retinas.
  25. 12% of people dream in black and white. Before color television the number was 75%.
  26. You can only dream about faces you have already seen.
  27. The record for the longest period without sleep is 18 days, 21 hours, 40 minutes during a rocking chair marathon. The record holder reported hallucinations, paranoia, blurred vision, slurred speech and memory.
  28. Both whales and dolphins literally fall half asleep. Their brain hemispheres take turns so they can continue surfacing to breathe.
  29. Ducks can also sleep with half their brain at a time.
  30. A snail can amazingly sleep for 3 years.

By Amazing Facts 4U Team

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