I'm awfully sorry I must have turned the alarm off and gone back to sleep again.

非常抱歉，我一定是把闹钟关了，然后又睡着了。

youdao

I rolled over and went back to sleep.

我翻了个身接着又睡着了。

《柯林斯英汉双解大词典》

Neither of them felt like going back to sleep.

他们俩都不想回去睡觉。

《柯林斯英汉双解大词典》

They left the road to sleep. Most never got back.

VOA: special.2009.12.17

Probably the best answer is our body is worn out during the day and sleep is necessary to put it back into shape.

最佳的答案应该是,一天下来，我们的身体已经疲惫了,有必要进行睡眠，以恢复状态。

耶鲁公开课 - 心理学导论课程节选

After 25 minutes of this, not even a board meeting will put you back to sleep.

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But when later reports cast doubt on the findings, sales of melatonin went back to sleep.

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He said he went back to sleep but awoke later to find the woman was awake.

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