Less sleep may be linked to lower testosterone among older men, according to a new study.
根据一项新的研究表明,老年人睡眠不足也许与体内睾丸酮水平的降低有关.
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一些研究人员提出的理论认为,睡眠可以恢复人在不睡觉时失去的某些化学物质.
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When I came back a thermos bottle, I found that she had a sound sleep.
当我提著暖水瓶返回时, 我发现,她已经睡著了.
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When I came back a thermos bottle , I found that she had fallena sound sleep.
当我提着暖水瓶返回时, 我发现,她已经睡着了.
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When I came in, you were thrashing on the bed and screaming in your sleep.
我进来的时候, 你正在床上不断扭动,在睡梦中尖叫.
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Two young sled dogs sleep off their meal of fresh, though toxic, Greenland shark.
两只年幼的雪橇犬在吃了含有毒素的格陵兰鲨鱼肉后正在昏睡.
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