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Asked by pranay900 to Alexis, Dr D, Helen, Jasmine, Mario on 19 Jun 2013.
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Alexis Barr answered on 19 Jun 2013:
You’d be very tired! Seriously though – it would be very bad. It’s actually impossible for humans to never sleep – you would fall into microsleeps whether you wanted to or not.
Sleep deprivation though can cause clumsiness, changes in weight and confusion/forgetting things. There is also some evidence that lack of sleep might increase your risk of getting diabetes, although why this happens we don’t know yet.
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Jasmine Penny answered on 19 Jun 2013:
You would definitely fall asleep eventually. When we find it difficult to sleep or have been awake for a long time it can have a bad affect on our brain. When you don’t get enough sleep you can be grumpy and forget things. The average amount of time people need to sleep is 7 hours. Did you know that different animals need different amounts of time to sleep. A giraffe needs just under 2 hours whereas a tiger needs nearly 16 hours.
Another interesting fact for you – the world record for the longest time someone has been awake is 11 days. However, after 4 days of being awake he was already seeing things / hallucinating.
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Andrew Devitt answered on 20 Jun 2013:
We’d need to find some other way to rest. Alexis sums it up. I thought my clumsiness, weight change and poor memory was me getting old! Maybe I should just head off to bed….
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Mario Ruiz answered on 20 Jun 2013:
We cannot avoid sleeping! The record of most hours being awake is held by Randy Gardner: 11 days! And without using any trick or drug. At the end of the period, he was suffering hallucinations and also micro-sleeping moments, in which he was with his eyes open but his brain emitted the same signals as the brain of a person sleeping. Also, he called friends to keep him awake by shaking him in case he fell asleep. You can read more here: http://en.wikipedia.org/wiki/Randy_Gardner_(record_holder)
I’m getting a bit sleepy now to be honest!
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