每晚睡眠时间少于5小时妇女有百分之五比平均睡眠时间为8小时的妇女发生心脏病的概率多几乎40%。

The 5 percent of the women who slept less than five hours per night were nearly 40 percent more likely to suffer from heart disease than women who slept an average of eight hours.

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四年来，一个研究小组发现，与危害工作有四到百分之六十的心脏病的发生更大的对照组相比，其工作是安全的。

Over four years, a study group with imperiled jobs was found to have a forty to sixty percent greater occurrence of heart disease than a control group whose jobs were secure.

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