And when, by an effort, I had set aside that picture of a prostrate body, I faced the problem of the Martians and the fate of my wife.
Some of the people who crowded in the carts whipped stupidly at their horses and quarrelled with other drivers; some sat motionless, staring at nothing with miserable eyes; some gnawed their hands with thirst, or lay prostrate in the bottoms of their conveyances.
There are no more uses of "prostrate" in the book.
Show samples from other sources
Francis chose to make it his cross to bear in life; he never understood why his Uncle Atticus remained on excellent but remote terms with his father—Francis thought Atticus should Do Something—or why his mother was not prostrate from his father’s eccentric, therefore unforgivable, behavior.
Harper Lee -- Go Set a Watchman
He sat down on the edge of the bed and softly kicked Colin’s prostrate body.