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.What Happens During Sleep?
avt
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21 / F / La La land
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Posted 5/21/10
You don't notice it, of course, but while you're asleep, your brain is still active. As people sleep, their brains pass through five stages of sleep. Together, stages 1, 2, 3, 4, and REM (rapid eye movement) sleep make up a sleep cycle. One complete sleep cycle lasts about 90 to 100 minutes. So during an average night's sleep, a person will experience about four or five cycles of sleep.

Stages 1 and 2 are periods of light sleep from which a person can easily be awakened. During these stages, eye movements slow down and eventually stop, heart and breathing rates slow down, and body temperature decreases. Stages 3 and 4 are deep sleep stages. It's more difficult to awaken someone during these stages, and when awakened, a person will often feel groggy and disoriented for a few minutes. Stages 3 and 4 are the most refreshing of the sleep stages — it is this type of sleep that we crave when we are very tired.

The final stage of the sleep cycle is known as REM sleep because of the rapid eye movements that occur during this stage. During REM sleep, other physical changes take place — breathing becomes rapid, the heart beats faster, and the limb muscles don't move. This is the stage of sleep when a person has the most vivid dreams.
Posted 5/21/10
whoa.I want the REM one.
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Posted 5/21/10
Okay.
Posted 5/21/10
Not much discussion here. Just information.
Posted 5/21/10
hey hey! i learned something today!
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26 / F / Seoul, Korea
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Posted 5/21/10
i like the last three stages the most....hehehe~
Posted 5/21/10

mystic17 wrote:

Not much discussion here. Just information.


no you're wrong. theres loads of discussion that can be used in this topic. its just how people respond makes it worth discussing about.

i prefer 1 and 2 since i can feel like a bear hibernating
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21 / F / dubai
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Posted 5/21/10
lol~ great info:)! ^^ i usually sleep like stage 1 or 2..since i have insomnia most of the time~ hahah~
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25 / F / In your closet
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Posted 5/21/10
that is some cool facts! i wanna share some too!


Beetles taste like apples, the wasps taste like pine nuts, and, worms taste like fried bacon. kinda makes me wanna try...

what is known in the english speaking word as''the french kiss'' is the ''english kiss in france''

human thigh bones are stronger than concrete

you cant kill yourself by holding your breath. haha. i tried to turn purple but i gave up on it :P

the skeleton of Jeremy Bentham is present at all important meetings of the University of London..weird much?

right handed people live, on average, nine years longer than left-handed people. im a righty!

your ribs move 5 million times a year when u breath

one quarter of the bones in ur body, is in your feet!

like fingerprints,everyone's tongue print is also dirrferent!

honey is the only edible food that does not spoil :P

You're born with 300 bones, but by the time you become an adult, you only have 206. what??

slugs have four noses

a man named Charles Osborne had the hiccups for 69 years. i feel sorry for him. what if he like drinks some juice and suddenly a hiccup comes up?
interesting huh?
Posted 5/21/10
I want to be a lucid dreamer Oh and I have a question does rem occur for people who sleep with their eyes?
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25 / M / On an Enigmatic R...
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Posted 5/22/10
drolling is one
Posted 5/22/10
I kick my bf in the nuts! Am hyper even in sleep. -___-
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Canada
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Posted 5/22/10
I wish I can get to the last stage;\ .
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25 / M / Somewhere.... per...
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Posted 5/22/10
Hmmm, thanks... But i've known this for a long time...=.="
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28 / F / most likely in bed.
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Posted 5/22/10
I get sleep paralysis sometimes. It's when you are in REM sleep and suddenly you wake up but your body is still asleep and you are aware of everything.
Sometimes when this happens things around my room become distorted, or i can hear screams or there's a shadowy figure around my room and sometimes the figure is on top of me holding me down which is really really scary! The worst thing is I can't move or scream because I'm completely paralysed. People say you can use it to lucid dream but I can't get past the whole fear. It always feels completely real as well. Luckily it doesn't happen all the time.
Anyway I prefer the last two stages. Nice and relaxed.
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