另外，宾夕凡尼亚大学医学院一项研究显示，间中一次长时间睡眠对于睡眠不足的人有好处。

They found those volunteers usually take a long time to react and find it hard to concentrate, but after a night of long-term sleep, their situations improved greatly.

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这项研究的领导者宾夕凡尼亚大学医学院的Carl June博士说：“1期实验的目的在于安全性和可行性，并且结果都要在此基础上建立。”

"The goal of this Phase-1 trial was safety and feasibility and the results established that," said Dr Carl June of the University of Pennsylvania School of Medicine, who led the study.

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同时，这也是宾夕凡尼亚州立大学的Andrew Read和他的同事认为他们要做的事。

And that is what Andrew Read of Pennsylvania State University and his colleagues think they have done.

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