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Mark Tully considers the role of sleep. We spend an average 27 years of our lives asleep, yet it's claimed we're experiencing an epidemic of insomnia, and that children are particularly badly affected. Why is sleep so important to our physical, mental and spiritual well-being?

28 minutes

Last on

Sun 16 May 2010 04:32GMT

Broadcast

  • Sun 16 May 2010 04:32GMT