Matthew walker has a theory that nora drenelyn is not released when you are experiencing it in sleep. Exposure therapy is all about being exposed to something that is making you fearful, without bad things happening. But froyd had a whole idea of catharsis that was a little different from this. Froyd's view might be that working it out in your dream, your wish is fulfilled,. That's the healing power of it. How much universality is there in dreams? Because for ther're to be a science of dreams, there needs to be some kind of common symbolism or something. If you and i both have a dream where we are eating our own birthday cake