Why do some people find it hard to sleep?

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Offline thedoc

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Why do some people find it hard to sleep?
« on: 06/10/2013 23:24:07 »
Some animals spend over 80% of their lives asleep. But why? What’s the purpose of sleep and why does it become a problem for some people?
Read a transcript of the interview by clicking here

or [chapter podcast=1000514 track=13.10.01/Naked_Scientists_Show_13.10.01_1001384.mp3] Listen to it now[/chapter] or [download as MP3]
« Last Edit: 06/10/2013 23:24:07 by _system »