The sentence that best paraphrases the first sentence of the excerpt is "You aren't telling me anything I don't know". This is because the narrator uses the metaphor of "rousing me from a deep sleep" as saying that he was aware of the situation that was going on, it wasn't that he didn't know about it.
The author converts joy in the excerpt by using irony in the situation of it being so hot they have to fan themselves then, ironically they start singing a song titled heatwave
