He fell into a deep dreamless sleep.

他酣然入睡，一夜无梦。

柯林斯高阶英语词典

Recipe: Major Dreamless Sleep Potion is needed to complete the Potion Mastery Quest.

“配方: 特效昏睡药剂”需要完成药剂大师的任务(下文有任务描述).

期刊摘选

Finally, exhausted and exhilarated , he soon fell into a mercifully dreamless sleep.

最后, 他觉得困乏了,可还是喜孜孜的, 终于很快就昏昏沉沉地睡着了.

辞典例句

It is dark like a sleep that is dreamless.

它沉黑得像无梦的睡眠.

期刊摘选

He fell into the dreamless sleep which rounded off his past.

他睡着了,睡得非常沉,好象把过去的岁月全补足.

辞典例句

Within the hour he had slipped once again into deep and dreamless oblivion.

不出一小时，他再次陷入了无梦的沉睡。

柯林斯例句

He fell into a deep dreamless sleep.

他酣然入睡，一夜无梦。

柯林斯例句