16 Psychology Secrets of Sleep : Infographic

Sleep is absolutely essential for every human being. Despite scientists still not figuring out the process entirely, we still know a lot about this daily activity. Every mammal. bird and most reptiles, amphibians and fish require sleep to function. Here are 16 things you probably never knew about sleep.


Sleep and psychology secrets


1. What goes on when you sleep

Your brain recharges

Your cells repair themselves

Your body releases important hormones

2. You need different amounts of sleep depending on your age:

16 HOURS Babies
10 HOURS 3-12
10 HOURS 13-18
8 HOURS 19-55
6 HOURS Over 65

3. Men have dreams about other men 70% of the time. But women dream about women and men equally

4. We can only dream about faces we have already seen, whether we actively remember them or not.

5. Parasomnia is a type of sleep disorder that makes you do unnatural movements, despite being asleep.

Crimes committed on parasomnia include:

  • Sleep driving
  • Writing bad checks
  • Murder
  • Child molesting
  • Rape

6. 12% of people dream only in black and white.

This number used to be higher but since the advent of color television, more people dream in color than before.

7. Dreaming is normal.

People who do not dream generally have personality disorders.

8. Sleep positions may determine your personality.

The most common positions

  1. Fetal  (41%) – People are gruff initially, but have warm and open hearts
  2. Log (15%) – Social butterflies
  3. The Yearner (13%) – Perceived as open, but truly suspicious
  4. Soldier (8%) – Reserved
  5. Freefall (7%) – Fun and fantastic at parties
  6. Starfish (5%) – Excellent listeners

9. 1 in 4 married couples sleep in separate beds.

10. British soldiers were the first to develop a method in staying up 36 hours without sleep.

When fatigued, they put on special visors that emulated the brightness of sunrise and it woke them up.

11. Longest Sleeping Mammals:

Koalas  22 hours/day

Brown Bat 19.9 hours/day

Pangolins 18 hours/day

Shortest Sleeping Mammals:

Giraffes 1.9 hours/day

(in 5-10 minute sessions.)

Roe Deer 3.09 hours/day

Asiatic Elephant 3.1 hours/day

12. When dolphins sleep, only half their brain shuts down. The other half stays awake to help with breathing cycles

13. You’ll die from sleep deprivation before food deprivation. It takes 2 weeks to starve, but 10 days without sleep can kill you.

14. Blind people can still see images in dreams.

Those born blind experience dreams involving: emotion, sound, smell and touch instead of sight.

15. Within 5 minutes of waking up 50% of your dream is forgotten.

Within 10 minutes, 90% is gone.

16. 1 out of 50 teenagers still wet their beds.






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