We wear pajamas to keep us comfortable when we sleep.

睡觉时，我们穿上睡衣裤保证舒适。

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When we sleep, for example, the saliva stream slows, and sulfur producing bacteria gain the upper hand, producing classic "morning breath".

例如，当我们睡觉时，唾液流变慢，产生硫的细菌占上风，便会产生典型的“晨起口臭”。

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She can't hear us when we sleep?

在我们睡觉的时候她听不见吗？

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why,when we do not sleep, we do not function well. We just do not know much about sleep at all."

VOA: special.2009.08.26

Yes. When we get sleepy we'll sleep. Now hush."

是的，困了我们就睡，“,“不要说话了，“

耶鲁公开课 - 1945年后的美国小说课程节选

First,we'll put you to sleep when we do all this procedure.

首先会让你进入睡眠状态。

耶鲁公开课 - 死亡课程节选

The billions of neurons and the trillions of connections between them in each of our brains keep changing with every experience, even when we sleep.

CNN: Manage your brain -- it's your most important asset

DeBakey VA Medical Center in Houston, says our pain threshold goes down when we're sleep-deprived.

WSJ: When It's Worth It to Skip a Workout and Sleep

So while we are moving, we will just wear wind-proof clothing, and save the big warm clothing for when we stop to eat and sleep.

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