The dream in Chapter IX helps the reader understand Lockwood's state of mind and sets the tone for his subsequent interactions with the characters and events in the story. It provides insight into Lockwood's perspective as an outsider and prepares the reader for the unfolding narrative.
Catherine's dream about heaven in Chapter IX is summarized as a vision of a beautiful place where she longs to be reunited with her lost loved ones. She describes seeing the gates of heaven open to welcome her, and being surrounded by joy and happiness. Catherine's dream reflects her deep desire for a spiritual connection and her yearning for eternal peace and love.
Lockwood's dream, on the other hand, while sleeping in Catherine Earnshaw's childhood room, is a disturbing and unsettling experience. He dreams of a ghostly figure trying to enter the room through the window, and he feels trapped and overwhelmed by fear. Lockwood's dream highlights his unease and discomfort in the house, as well as his sense of being an outsider in this unfamiliar environment.
By comparing Catherine's dream to Lockwood's dream, the reader can analyze Lockwood's experience in Catherine's childhood room. Lockwood's dream mirrors his own sense of isolation and disconnection from the world of Wuthering Heights. It suggests that Lockwood is not at ease in this setting and foreshadows the conflicts and tensions that he will encounter throughout the novel.