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.
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.
宾夕凡尼亚州大学的研究者说，即便是在目前来说不可治愈的非雄激素依赖性前列腺癌中也是有效的。
It recognized even androgen-independent cancer cells, present when prostate cancer is incurable, the study by researchers at the University of Pennsylvania showed.
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