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Sleep
We spend a third of our lives asleep. Despite all the research, we still don't know why we do it. It comes so natural to us we barely think about it. What happens to us over the course of a night's sleep?
Â鶹ÊÓƵAV World Service Archive
This programme was restored as part of the World Service archive project
Podcast
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Health Check
Health issues and medical breakthroughs from around the world.
