How do sleep and unconsciousness differ?

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Offline Harri

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How do sleep and unconsciousness differ?
« on: 28/09/2015 16:39:40 »
Hi all. What are the differences between being asleep and being unconscious?

Harri
« Last Edit: 02/10/2015 09:02:04 by chris »

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Offline Bored chemist

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Re: Sleep/unconsciousness?
« Reply #1 on: 28/09/2015 18:05:21 »
If someone shakes you, and you wake up, you must (at some level) have been conscious of being shaken.
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Offline Harri

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Re: Sleep/unconsciousness?
« Reply #2 on: 30/09/2015 18:00:53 »
Thanks for the reply, that makes sense.

I am just amazed that for quite a few hours every single day of our lives we are asleep and havn't got a clue what the heck is going on around us or in the wider world!

harri

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Offline tkadm30

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Re: How do sleep and unconsciousness differ?
« Reply #3 on: 30/01/2016 12:57:22 »
Sleep is an altered state of consciousness: Specific areas of the brain are shutdown during sleep which alters the processing of informations. Unconsciousness (coma) is the state in which a human is unaware of the surrounding environment and cannot respond to external stimuli.   
The bliss of ignorance is deeper in the region of tyranny.