沉睡 HSK 7-9 chénshuì deep sleep; be in hibernation Examples 沉睡的大地 chénshuì de dàdì The sleeping earth. 在沉睡中 zài chénshuì zhōng In deep sleep. 唤醒沉睡的记忆 huànxǐng chénshuì de jìyì Awakening sleeping memories.