I even had no idea when he wake up and when he asleep, though our beds are so close.

虽说床离得这么近，我也看不见他什么时候睡着什么时候醒。

youdao

He was already asleep in the bed, which smelled faintly of mildew.

他已经在微带霉味的床上睡着了。

《柯林斯英汉双解大词典》

Every now and again she checked to see if he was still asleep.

她隔一会儿就看看他是否还在睡觉。

《牛津词典》

While most people are still asleep, he and his helpers prepare a meal every weekday for more than 200 people.

VOA: special.2009.01.28

Instead he just went and rented a private house and fell asleep almost immediately.

当时彼得大帝直接租了一栋民宅,几乎一趴下就睡着了

耶鲁公开课 - 欧洲文明课程节选

But I think he actually fell asleep during the performance.

我想演出的时候他其实睡着了。

记忆犹新的作品 - SpeakingMax英语口语达人

Day was breaking by the time he fell asleep, and when he woke up the woman was gone.

NEWYORKER: The Insufferable Gaucho

Investigators later ruled the crash an accident, saying he fell asleep at the wheel.

CNN: Junior Seau's death classified as a suicide

"He was breathing as if he was asleep when I left him, " she said.

BBC: Sara Ege