How long can a human go with out sleep? and be able to function?

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Answers:
7 days without sleep and you will die of exhaustion. after 72 hours internal organs start to shut down then the breathing gets more shallow and you simply "pass out" and die. Nuf said?

Other Answers:
I have heard a week (and if they don't get sleep after a week, they die), but I can't properly function on even one poor night of sleep, so I'm not sure how someone could go a week without sleep.

well, have you heard of people getting depressed and losing alot of weight? that is cuz they dont sleep and dont eat much, and even if they do eat regularly they dont sleep, which means they burn alot of fat, when they dont have enough fat to sustain themselves, then they get really dehydrated and that is what causes the death, the lower they get on nutrients the less they function.

as to how long they can go without sleep depends person to person and how physically fit they are

Well you can live without sleep for probably 2 weeks but after 72 hours straight without sleep your mind shuts down and you begin having hallucinations, paranoia, and disorientation. After a week straight with no sleep you could be declared legally insane by a doctor because of limited brain function.

just three days
then he falls

I don't know, but I skipped two nights in a row and I started hallucinating and couldn't stop shaking. I think it was like 52 hours or something that I was awake. That was not fun...

i think around 5-7 days.

Sleep Debt—Are You a Victim?
http://www.watchtower.org/library/g/2004/2/8/article_01.htm

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How long can a human go with out sleep? and be able to function?

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