1. Hobson JA, Pace-Schott EF, Stickgold R: Dreaming and the brain: toward a cognitive neuroscience of conscious states. Behav Brain Sci 2000, 23:793–842.
2. Eiser AS: Part I: Dreaming as seen from a range of approaches. (Dreaming: a psychiatric view and insights from the study of parasomnias. Edited by Eiser AS, Schenck CH.) Schweiz Arch Neurol Psychiatr 2005, 156:441–452.
3. International Classification of Sleep Disorders: Diagnostic and Coding Manual, edn 2. Westchester, IL: American Academy of Sleep Medicine; 2005.
4. Kryger MH, Roth T, Dement WC: Principles and Practice of Sleep Medicine, edn 4. Philadelphia: Elsevier; 2005.
5. Diagnostic and Statistical Manual of Mental Disorders, edn 4, text revision. Washington, DC: American Psychiatric Association; 2000.