英语新闻听写 研究证明良好的睡眠能保持健康（在线收听）

Researchers at University of California San Francisco have confirmed that a good night's sleep could keep colds and infections away.

加利福尼亚旧金山大学的研究人员证实，晚间良好的睡眠能摆脱感冒和感染疾病。

The odds of catching a cold are 28 percent higher for those who sleep five or fewer hours a night,

每晚睡眠5小时或更少的人，得感冒的几率增加百分之28，

and for other infections such as pneumonia and the flu, those with less sleep have more than 80 percent higher odds of getting an infection.

而对于其它感染，如肺炎和流感，那些睡眠少的人感染的几率比正常超过百分之80。

While researchers cannot confirm the exact reasons why lack of sleep increases susceptibility to infection,

虽然研究人员无法确定缺乏睡眠会增加易感染的确切原因，

it has been confirmed that T-cells, a type of white blood cell that helps fight infection, do not operate as well when people are deprived of sleep.

但其已经证实T细胞，一种能够帮助抵抗感染的白血球，在人们睡眠缺失时工作不佳。