10 interesting facts to know about sleep

01) Depending upon age need of sleep varies :
Babies – 16 Hrs
3 – 12 yrs – 10 Hrs
13 – 18 yrs – 10 Hrs
19 – 55 yrs – 8 Hrs
Over 65 yrs – 6 Hrs

sleep_animal_bear
Bear in sleep

02) Shortest sleeping mammals :
Giraffe – 1.9 hours a day (in 5-10 minute sessions)
Roe Deer – 3.09 hours a day
Asiatic Elephant – 3.1 hours a day.
03) 12% of people dream only in black and white. The number use to be higher, but since the advent of color television, more people dream in color than before.
04) Dreaming is normal. People who do not dream generally have personality disorders.
05) British soldiers were the first to develop a method of staying up 36 hours without sleep. When fatigued, they put on special visors that emulated the brightness of a sunrise and it woke them up.
06) When Dolphin sleep, only half their brain shuts down. The other half stays awake to help them with their breathing cycle.
07)Parasomnia is a type of sleep disorder that makes you do unnatural movements, despite being asleep. Crimes committed in parasomnia includes :
Sleep driving
Writing bad cheques
Murder
Child molestation
Rape
08) Blind people can still see images in their dream. Those born blind experience dreams involving dreams involving – emotion, sound, smell and touch.
09) You will die from sleep deprivation before food deprivation. It takes 2 weeks to starve, but 10 days without sleep can kill you.
10) Within 5 minutes of waking up, 50% of your dream is forgotten and within 10 minutes, 90% is gone.

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