Whether or not we can catch up on sleep—on the weekend, say—is a hotly debated topic among sleep researchers.

我们是否能在周末补觉是睡眠研究者们激烈争论的话题。

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Whether or not we can catch up on sleep on the weekend, say — is a hotly debated topic among sleep researchers.

例如，我们是否能在周末补觉是睡眠研究者们争论的热点话题。

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Our brains seem to rely on sleep to cement new memories.

我们的大脑似乎会靠睡眠来巩固新的记忆。

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It says they should be placed on a separate sleep surface from their parents,without blankets, pillows or other soft bedding.

VOA: special.2009.08.26

He loved sleeping on ships; he thought that the rocking of the waves rocked him to sleep so he liked doing that.

他喜欢睡在船上,波涛的起伏能使他入眠,所以他乐此不疲

耶鲁公开课 - 欧洲文明课程节选

That is heaven's part, our part To murmur name upon name, As a mother names her child When sleep at last has come On limbs that had run wild.

这是天国的本分，我们的本分,喃喃念着一个个名字，像一个母亲叫着她的孩子们,当睡意最终降临,那跑野了的四肢。

耶鲁公开课 - 现代诗歌课程节选

Assume that your bad first impression was the real you, but the real you on sleep medication.

FORBES: How To Get A Second Chance To Make A Great First Impression

About half of everyone who flies to space relies on sleep medication, at some point, to get some rest.

MSN: Space station to get new insomnia-fighting light bulbs

As one of the first studies to look into the role that diet plays on sleep quality, the findings are more hypothesis-generating than confirming.

CNN: Does your diet influence how well you sleep?