Not getting enough sleep doesn’t just make you tired. It also makes you fat because of increased snacking, according to researchers at the University of Colorado Boulder in America。
美国科罗拉多大学波德分校的研究人员表示,睡眠不足不仅令人疲乏,还会使人因吃更多零食而发胖。
The researchers carried out a study which included eight men and eight women, whose average age was 22, and found that participants who lacked sleep for a week gained almost two pounds。
研究者们在平均年龄为22岁的8名男性和8名女性当中进行了一项研究,由此发现那些一个星期都睡眠不足的研究对象的体重增加了近2磅(约0.9公斤)。
To establish a baseline, participants spent the first three nights sleeping up to nine hours a night, and consumed only as many calories as they burned each day. Their daily intake of food and oxygen, and production of carbon dioxide were measured。
为了建立标准,研究对象前3个晚上都可拥有长达9小时的夜间睡眠,并且每天只摄入与所消耗的热量相等的能量。他们每日摄取的食物、呼吸的氧气,以及排出的二氧化碳均被纳入测量范围。
Then participants were split into two groups, with one limited to sleeping five hours a night, while the other continued to be allowed nine hours. After five nights, the groups switched. During this part of the experiment, participants were allowed to eat as much as they wanted。
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