15 things you did not know about Sleep

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 15 things you probably never knew about sleep:-

1. What goes on when you sleep:-

• Your brain recharges
• Your cells repair themselves
• Your body releases important hormones

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

• BABIES    –  16 hours
• 3-12         –   10 hours
• 13-18       –   10 hours
• 19-55       –   8 hours
• Over 55    –  6 hours

3. Men have dreams about other men 70% of the timebut Women dream about men and women 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. 1 in 4 married couples sleep in separate beds.

9. British soldiers were the first to develop a method in staying up 36 hours without sleep. When fatigues they put on special visors that emulated the brightness of a sunrise and it woke them up.

10. Longest sleeping mammals:-

• Koalas              –                 22 hours a day
• Brown bat         –                 19.9 hours a day
• Pangolins         –                  18 hours a day

Shortest sleeping mammals:-

• Giraffes                  –                  1.9 hours a day( in 5-10 minutes session)
• Roe Deer               –                   3.09 hours a day
• Asiatic Elephant     –                   3.1 hours a day

11. When dolphin sleeps, only half their brain shuts down. The other half stays awake to help with breathing cycles.

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

13. Blind people can still see images in dreams. Those born blind experience dreams involving:-

• emotion
• sound
• smell
• touch

14. Within 5 minutes of waking up, 50% of your dream is forgotten. Within 10 minutes, 90% is gone.

15. 1 out of 50 teenagers still wet their beds.