Now, Matthew Walker and his colleagues at the University of California, Berkeley, have found that they probably have better memory, too.

现在，马修·沃克和他在加利福尼亚大学伯克利分校的同事发现这些人很可能记忆力也会比其他人好。

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So said U.C. Berkeley’s Matthew Walker February 21st at the meeting of the American Association for the Advancement of Science in San Diego.

这是本月21日，加州大学伯克利分校的马修·沃克在圣迭戈举行的美国科学促进会年会上所作的发言。

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Matthew Walker, a professor of psychology and neuroscience at the University of California, Berkeley, and his colleagues recruited 27 women and 17 men to come to the sleep lab.

加州大学伯克利分校心理与神经系统科学教授马修·沃克尔和同事招募了27名女性志愿者和17名男性志愿者，在睡眠实验室进行实验。

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So said U. C. Berkeley's Matthew Walker February 21st at the meeting of the American Association for the Advancement of Science in San Diego.

加州大学伯克利分校的马修·沃克2月21日在圣地亚哥举办的美国科学促进会会议上如是说。

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Dr Matthew Walker, who led the study, said: "We know that during REM sleep there is a sharp decrease in norepinephrine, a brain chemical associated with stress."

这项研究的领导者马修·沃克博士说：“我们都知道，在REM睡眠阶段，去甲肾上腺素会急剧下降，而去甲肾上腺素是大脑中一种与压力有关的化学物质。”

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Dr Matthew Walker, who led the study, said: "We know that during REM sleep there is a sharp decrease in norepinephrine, a brain chemical associated with stress."

这项研究的领导者马修·沃克博士说：“我们都知道，在REM睡眠阶段，去甲肾上腺素会急剧下降，而去甲肾上腺素是大脑中一种与压力有关的化学物质。”

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