Having taken the medicine, he fell into a profound sleep.

吃过药后，他陷入酣睡。

Ambrosio's strength worn out by the violence of his exertions, He had by this time fallen into a profound sleep.

安布罗西奥因剧烈运动而筋疲力尽，此时他已经沉沉睡去。

He sat down near the window on the one wooden chair in the cell, and fell at once into a profound sleep.

他在牢房里的一张木椅上靠窗坐下， 立刻沉沉睡去。