The phrase "The narrator’s mother worked at night after her husband fell asleep" contains both an independent clause and a dependent clause.
- The independent clause is "The narrator’s mother worked at night." This clause can stand alone as a complete sentence.
- The dependent clause is "after her husband fell asleep." This clause cannot stand alone and depends on the independent clause for its meaning.
So, in summary, the sentence as a whole contains both a dependent clause and an independent clause.