In Lord of the Flies, there seems to be a motif of nightmares/dreams. What is the significance of dreams in the novel? For example, how does the...

Good question. Yes, dreams are a motif in the novel. The dream as an ideal is there from the beginning; this island is like a new Eden. After that, then, dreams are how and where the boys see and articulate the things they can't face in waking, which means mainly their fears. Dreams are also prophetic. They indicate when further violence, and, especially, further violent tragedy and decay of civilization will be coming. By the end of the book, it is as if the entire waking world has dissolved and the kids are living a dream (a nightmare), one that the adults must wake them from.