It is true that Dream is not unconnected with Faërie. In dreams strange powers of the mind may be unlocked. In some of them a man may for a space wield the power of Faërie, that power which even as it conceives the story, causes it to take living form and colour before the eyes. A real dream may indeed sometimes be a fairy-story of almost elvish ease and skill - while it is being dreamed

— On Fairy-Stories, J.R.R. Tolkien (via ahobbitstale)