If you’re looking to find an article on what dreams mean, it’s best to go with a psych. study. Plus, none of these other articles relate to the topic.
We can eliminate A because it’s about eating before bed. We can eliminate C because it seems to be talking about a different type of dream. We can eliminate D because it talks about insomnia. So, the answer is B.
Although I cannot answer this fully due to the nature of the question Irony is the expression of one's meaning by using language that normally signifies the opposite, typically for humorous or emphatic effect.