sound asleep

基本解释

Researchers at the University of Toledo reported the case of a woman, 44, who would compose emails while sound asleep.
托萊多大學的研究人員在報告中曾提到過一個44嵗的女性，該女性在熟睡時還能寫電子郵件。
Researchers at the University of Toledo reported the case of a woman, 44, who would compose emails while sound asleep. She had no recollection of sending the emails when awake.
托萊多大學的研究者們接到一例報告，有位44嵗的女性在熟睡的狀態下寫了一份郵件，而儅她醒來後完全想不起來發了郵件這件事。

It was unlikely that anyone could hear us, but the sight of Luisa and of the night porter sound asleep had given me the feeling that if I raised my voice I would disturb their slumber, and my hushed tones immediately infected or influenced the way Viana spoke.
NEWYORKER: While the Women Are Sleeping
He was under a cupboard, sound asleep, and one had only to sniff at him to understand that he had wandered thirsty from bed to the kitchen and drunk at length from the wine bowl instead of the water bowl, and perhaps had had a solitary toddling drunken party all his own before hiding himself away to sleep.
NEWYORKER: A Tiny Feast