James May talks us through how long you can go for without any sleep.

Weird things people do in their sleep: http://www.bbc.co.uk/news/magazine-20...

World record for staying awake: http://sleep.lovetoknow.com/Record_Fo...
 
10 tips for a better sleep: http://www.world-of-lucid-dreaming.co...

What are the causes of sleepwalking: http://www.medicinenet.com/sleepwalki...

What is the 'sleep' you get in your eye? http://www.livestrong.com/article/253...

With his own unique spin, James May asks and answers the oddball questions we've all wondered about from 'What Exactly Is One Second?' to 'Is Invisibility Possible?'

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