People who get too much sleep are at greater risk of an early death than those who get too little, research suggests. Experts found those who sleep for more than eight hours a night have greater mortality risk than those who sleep for less than seven hours.
研究显示,睡眠时间过长的人相比睡眠时间过短的人来说,早逝风险更甚。专家发现,相比夜晚睡眠时间少于7小时的人,睡眠时间在8小时以上的人死亡风险更大。
The study, involving more than 3.3 million people around the world, found sleeping for too long raised the risk of heart disease and strokes. The scientists - from the universities of Keele, Manchester, Leeds and East Anglia - said excessive sleep should be considered a "marker" of poor health.
该项研究,调查了全世界330万余人,结果显示睡眠时间过长提高了心脏疾病及中风风险。来自基尔、曼彻斯特、利兹和东安格利亚等地大学的科学家们表示,过多的睡眠应当被认定为身体不健康的一个“标记”。
One explanation could be getting too much sleep means people get too little exercise, raising their risk of heart problems. But it is more likely that people who sleep for too long are already suffering from undiagnosed problems.
一个解释为:睡眠时间过长,意味着运动相应过少,这将会增加心脏问题风险。但更可能的情况是,睡眠时间过长的人,实际上正在遭受某些健康问题的困扰,只是这些问题暂时还未确诊。
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