An extreme but realistic example of this, says Turek, would be how animals respond to catastrophic environmental conditions, such as Hurricane Katrina.

Turek说，这种情况的一个极端而真实的实例是动物遇到灾难如katrina飓风时它们睡眠的改变。

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Put so much emphasis on diet and exercise that we've failed to recognize the value of good sleep, "said Fred Turek, a physician at Northwestern University."

美国西北大学的医学教授弗莱德·塔瑞克说：“我们一直过份强调节食和锻炼，以至于忽略了良好睡眠的作用。”

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"We've put so much emphasis on diet and exercise that we've failed to recognize the value of good sleep," said Fred Turek, a physician at North western University.

美国西北大学的医学教授弗莱德·塔瑞克说：“我们一直过份强调节食和锻炼，以至于忽略了良好睡眠的作用。”

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Turek specifically pointed to the supply problems that have plagued the market as something that will persist.

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According to Dr Turek, the only other published study looking at the link between hot baths and fertility was done in 1965.

BBC: Last Updated: Monday, 5 March 2007, 11:20 GMT