When was the foreshadowing event in story The Story Teller?

The foreshadowing event in "The Story Teller" occurs when Leopold wishes for a woman who would keep him up all night with her endless talk. At the beginning of the story, he is seen wishing, "If only I could find a woman who could stop me from sleeping! I need a woman who would keep me awake all night with her stories." It foreshadows the plot twist later on in the story, which reveals that Leopold is actually listening to a woman's endless talk in his dream, and not in real life.