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> Winding up the body clock Part 1
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Winding up the body clock Part 1 (Teacher: Michael)
Why the human body needs to sleep no one really knows - but we can't
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without it.
Exactly how much sleep we
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is something medical experts
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debating for years.
Some
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we live in a sleep-deprived society and
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sleep for ten hours in every 24,
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actually only average around six. Research carried
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at Loughborough University's Sleep Research Laboratory shows that
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having the recommended seven-and-a-half hours cope
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and
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not sleep deprived.
Sleep expert Professor James Horne points
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that
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one night's broken sleep leaves
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noticeably less alert and with slower reflexes. This
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cause insomniacs to
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at increased risk of involvement in road accidents.
Poor sleepers also
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more sick
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than those who sleep
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. Workaholics
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you they
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survive on four hours-a night, but they
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actually weakening their immune systems and leaving themselves vulnerable to. illness and infections.
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