In this scheme, the “unconscious” and the “preconscious” are agencies or authorities (Instanzen) which the wish has to satisfy; the unconscious is more tolerant, and helps the wish to smuggle itself past the censorship of the preconscious. As a result, psychical energy is discharged without disturbing sleep.
energy / preconscious / sleep / unconscious / wish
Books: The Interpretation of Dreams
