Use the information you have learned to make an informed choice about whether you want to sleep with someone, but understand that there may still be risks involved that neither of you know.

在了解潜在风险的前提下，根据自己掌握的信息做出是否和某人发生关系的理智决定。

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Some possible answers could be: someone from her family died, she is not getting enough sleep, she had a fight with her spouse that morning, her son is ill, she is not feeling well, etc.

其中可能有这样的答案：她家里可能有丧事，她没睡好，她今天早上和老公吵架了，她儿子病了，她自我感觉不好，等等。

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Someone who sleep talks might just make noises, or could have a long one-sided conversation with you.

讲梦话的人只是在制造噪音或对着你自言自语。

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"It's all the things that you do when you're young and trying to get someone to sleep with you, " said co-executive producer Judd Apatow.

CNN: 2013 TV: Past favorites, new shows make list of 10 to watch

Someone he was hoping to sleep with that night?

NEWYORKER: Labyrinth

CouchSurfing connects people who have a spare sofa with travellers who wish to sleep on it, on the tacit understanding that the travellers will do the same for someone else in the network some day.

ECONOMIST: Schumpeter