大量使用“查理”(译注：可卡因的俗称)的人常常神经质、易怒并变得偏执，如果你因为使用此药品而睡眠不好，你同样还会感到很困惑。

People who like a lot of 'Charlie' are often nervy, excitable and can get paranoid. If you're not sleeping well because of this drug, you can also feel very confused.

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而睡眠不足的男人只是自己有不好的情绪——这已经不是什么秘密了。

Perhaps the husbands in this study simply did a good job of hiding their feelings from their wives. Or from the researchers.

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