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en.wikipedia.org/wiki/Sleep_deprivation

Sleep deprivation is the condition of not having enough sleep; it can be either chronic or acute. ... Complete absence of sleep over long periods has not been seen in humans (unless .... Microsleeps usually last for a few seconds and happen most frequently when a person is trying to stay awake when they are feeling sleepy.

www.scientificamerican.com/article/how-long-can-humans-stay

The easy experimental answer to this question is 264 hours (about 11 days). In 1965, Randy Gardner, a 17-year-old high school student, set this apparent ...

www.huffingtonpost.com/2012/08/13/human-body-limits-survival_n_1773167.html

Aug 13, 2012 ... As strong and resilient as the human body seems in some situations, considered ... For example, how long can you stay awake before you die?

www.everydayhealth.com/conditions/what-happens-when-you-dont-sleep-days

Feb 22, 2016 ... Ever wonder how long you can go without sleep? Find out what's happening to you physically and mentally as you wrestle to stay awake. ... “The person experiencing a microsleep falls asleep regardless of the activity they are ...

www.bbc.com/future/story/20150220-how-long-can-we-stay-awake

Feb 23, 2015 ... We can fight off the sandman for a while, but after a certain point, ... reasonable to ask: how long can we stay awake – and what are the consequences of going ... " That's the problem in interpreting sleep studies in humans and ...

www.sleepio.com/articles/sleep-science/how-long-can-you-go-without-sleep

It has even been said that one could survive for three times as long without food as ... of how long a human can go without sleep remains unanswered by research. ... Gardner set out to break the world record for the longest time spent awake.

www.quora.com/How-long-can-a-human-being-survive-without-sleep

The Human Race and Condition ... How long can you go without sleep? ... it seems your brain puts itself into sleep mode, over-riding your idea of staying awake, ...

www.businessinsider.com/how-long-can-you-survive-without-sleep-2013-6

Jun 22, 2013 ... ... about how long a person can survive without shut-eye, and whether it ... a person has ever voluntarily gone without sleep, staying awake for ...

www.ask.com/youtube?q=How+Long+Can+a+Human+Stay+Awake%3F&v=FmM3YZQrIWA
Sep 10, 2015 ... How long can humans stay awake for, without any sleep? And what would be the consequences? Thoughty2 investigates! SUBSCRIBE - New ...