熟睡

shúshuì
  1. asleep
  2. sleeping soundly

CEDICT

to be fast asleep; to sleep soundly

Wiktionary

睡得很沉。

重編國語辭典

Examples

不要吵醒熟睡中的孩子。

Don't wake up the sleeping child.

Source: Tatoeba

那个婴儿似乎在熟睡中。

The baby seemed to be sleeping a sound sleep.

The baby seemed to be fast asleep.

The baby seemed to be in a deep sleep.

Source: Tatoeba

Entry Composition

1 熟 shú
  1. ripe; mature
  2. thoroughly cooked; done
  3. familiar; acquainted
  4. experienced; skilled
  5. (of sleep etc) deep; profound
  6. also pr. shóu
2 睡 shuì
  1. to sleep
  2. to lie down

Related entries

酣梦 hānmèng
  1. sweet dream
  2. sleeping soundly