1. 1. American Academy of Sleep Medicine. International classification of sleep disorders, 2nd ed: Diagnostic and coding manual, American Academy of Sleep Medicine, Westchester, IL 2005.
2. 2. Thorpy MJ, Glovinsky PB. Parasomnias. PsychiatrClin North Am. Dec 1987;10(4):623-39.
3. 3. Bienenfield D, Anklesaria A. Parasomnias. Medscape
4. 4. Chokroverty S. Overview of sleep and sleep disorders. Indian J Med Res 2010;131:126-140
5. 5. Chokroverty S. Sleep disorders medicine: basic science, technical considerations and clinical aspects. 3rd ed. W B Saunders Company, 2009.