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考研英语阅读篇章: 多睡一小时 身体更健康

2014-07-03 16:21:55来源：新东方在线编辑整理

新东方在线小编为大家整理考研英语阅读系列篇章精选，通过双语阅读的方式，帮助同学们捕捉国内外新闻以及最前沿的奇人异事。考生可作为备考资料，阅读的同时将不熟的单词牢记。

考研英语阅读篇章：多睡一小时 身体更健康

　　The average Briton gets six-and-a-half hours' sleep a night, according to the Sleep Council. Michael Mosley took part in an unusual experiment to see if this is enough.

　　调查显示，英国人平均每天只睡6.5小时。为了验证这样的睡眠是否足够，迈克尔·莫斯利医生参加了一项不寻常的实验。

　　It has been known for some time that the amount of sleep people get has, on average, declined over the years.

　　We wanted to see what the effect would be of increasing average sleep by just one hour. So we asked seven volunteers, who normally sleep anywhere between six and nine hours, to be studied at the University of Surrey's Sleep Research Centre.

　　The volunteers were randomly allocated(分派) to two groups. One group was asked to sleep for six-and-a-half hours a night, the other got seven-and-a-half hours. After a week the researchers took blood tests and the volunteers were asked to switch sleep patterns. The group that had been sleeping six-and-a-half hours got an extra hour, the other group slept an hour less.

　　While we were waiting to see what effect this would have, I went to the John Radcliffe hospital in Oxford to learn more about what actually happens when we sleep.

　　In the Sleep Centre, they fitted me up with a portable electro-encephalograph, a device that measures brain wave activity. Then, feeling slightly ridiculous, I went home and had my seven-and-a-half hours of sleep.

　　Back at the University of Surrey our sleep volunteers had finished their second week of the experiment. What we wanted to see was the effect switching from six-and-a-half hours to seven-and-a-half hours, or vice versa, would have on our volunteers.

　　Computer tests revealed that most of them struggled with mental agility tasks when they had less sleep, but the most interesting results came from the blood tests that were run.

　　Dr Simon Archer and his team at Surrey University were particularly interested in looking at the genes that were switched on or off in our volunteers by changes in the amount that we had made them sleep.

　　"We found that overall there were around 500 genes that were affected," Archer explained. "Some which were going up, and some which were going down."

以上是考研英语阅读篇章双语新闻系列分享，同学们在复习过程中找不到适合自己的方法可参考参考【2015暑期备考】专题，或选择>>点击查看资料下载中心。

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