His eyes were shut and he seemed to have fallen asleep.

他的双眼闭着，看上去像是已经睡着了。

《柯林斯英汉双解大词典》

The boy pretended to have fallen asleep when his father came back.

他父亲回来时，那个男孩假装已经入睡。

youdao

Japan's companies, in contrast, seem to have fallen asleep at the switch.

反观日本公司，似乎还是漫不经心。

youdao

Booth had submitted that he might have fallen asleep due to a sleep disorder, rather than tiredness, before the crash.

BBC: Priyanka Bhogal

Booth said he might have fallen asleep due to a sleep disorder, rather than tiredness, before the crash, but changed his plea after the judge allowed him to discuss the case with his barrister.

BBC: Priyanka Bhogal