閱讀難度：

A study shows sleep deprivation makes the day drag and appears to put a drag on metabolism too, causing the body to use less energy, Reuters reports.

The study suggests that getting plenty of sleep might prevent weight gain, said Christian Benedict of Uppsala University in Sweden, who led the study.

The National Sleep Foundation recommends that adults get about seven to nine hours of sleep each night. （點擊路透社網(wǎng)站查看原文）

研究：缺覺或致肥胖

???????據(jù)英國路透社報道，研究表明缺覺會使人白天乏累，減緩新陳代謝，從而降低人體熱量的消耗。

???????這項研究的發(fā)起人、瑞典烏普薩拉大學的克里斯蒂安·本尼迪克特稱，睡眠充足則有利于保持好身材。

???????英國睡眠委員會建議成年人每天應睡足7-9個小時。

(China.org.cn May 24, 2011)