一天睡8个小时以上，你就有大危险了！
<p><span word="People">People</span> <span word="who">who</span> <span word="get">get</span> <span word="too">too</span> <span word="much">much</span> <span word="sleep">sleep</span> <span word="are">are</span> <span word="at">at</span> <span word="greater">greater</span> <span word="risk">risk</span> <span word="of">of</span> <span word="an">an</span> <span word="early">early</span> <span word="death">death</span> <span word="than">than</span> <span word="those">those</span> <span word="who">who</span> <span word="get">get</span> <span word="too">too</span> <span word="little">little</span>, <span word="research">research</span> <span word="suggests">suggests</span>. <span word="Experts">Experts</span> <span word="found">found</span> <span word="those">those</span> <span word="who">who</span> <span word="sleep">sleep</span> <span word="for">for</span> <span word="more">more</span> <span word="than">than</span> <span word="eight">eight</span> <span word="hours">hours</span> <span word="a">a</span> <span word="night">night</span> <span word="have">have</span> <span word="greater">greater</span> <span word="mortality">mortality</span> <span word="risk">risk</span> <span word="than">than</span> <span word="those">those</span> <span word="who">who</span> <span word="sleep">sleep</span> <span word="for">for</span> <span word="less">less</span> <span word="than">than</span> <span word="seven">seven</span> <span word="hours">hours</span>.</p><p>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。</p><p><span word="The">The</span> <span word="study">study</span>, <span word="involving">involving</span> <span word="more">more</span> <span word="than">than</span> 3.3 <span word="million">million</span> <span word="people">people</span> <span word="around">around</span> <span word="the">the</span> <span word="world">world</span>, <span word="found">found</span> <span word="sleeping">sleeping</span> <span word="for">for</span> <span word="too">too</span> <span word="long">long</span> <span word="raised">raised</span> <span word="the">the</span> <span word="risk">risk</span> <span word="of">of</span> <span word="heart">heart</span> <span word="disease">disease</span> <span word="and">and</span> <span word="strokes">strokes</span>. <span word="The">The</span> <span word="scientists">scientists</span> - <span word="from">from</span> <span word="the">the</span> <span word="universities">universities</span> <span word="of">of</span> <span word="Keele">Keele</span>, <span word="Manchester">Manchester</span>, <span word="Leeds">Leeds</span> <span word="and">and</span> <span word="East">East</span> <span word="Anglia">Anglia</span> - <span word="said">said</span> <span word="excessive">excessive</span> <span word="sleep">sleep</span> <span word="should">should</span> <span word="be">be</span> <span word="considered">considered</span> <span word="a">a</span> "<span word="marker">marker</span>" <span word="of">of</span> <span word="poor">poor</span> <span word="health">health</span>.</p><p>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”。</p><p><span word="One">One</span> <span word="explanation">explanation</span> <span word="could">could</span> <span word="be">be</span> <span word="getting">getting</span> <span word="too">too</span> <span word="much">much</span> <span word="sleep">sleep</span> <span word="means">means</span> <span word="people">people</span> <span word="get">get</span> <span word="too">too</span> <span word="little">little</span> <span word="exercise">exercise</span>, <span word="raising">raising</span> <span word="their">their</span> <span word="risk">risk</span> <span word="of">of</span> <span word="heart">heart</span> <span word="problems">problems</span>. <span word="But">But</span> <span word="it">it</span> <span word="is">is</span> <span word="more">more</span> <span word="likely">likely</span> <span word="that">that</span> <span word="people">people</span> <span word="who">who</span> <span word="sleep">sleep</span> <span word="for">for</span> <span word="too">too</span> <span word="long">long</span> <span word="are">are</span> <span word="already">already</span> <span word="suffering">suffering</span> <span word="from">from</span> <span word="undiagnosed">undiagnosed</span> <span word="problems">problems</span>.</p><p>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。</p>
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