"a primary diagnostic, epidemiological and coding resource for clinicians and researchers in the field of sleep and sleep medicine." American Academy of Sleep Medicine; European Sleep Research Society, Japanese Society of Sleep Research, Latin American Sleep Society (2001年). “The International Classification of Sleep Disorders, Revised: Diagnostic and Coding Manual”. 2001 edition, ISBN 0-9657220-1-5, PDF-complete, Library of Congress Catalog No. 97-71405. 2012年8月16日閲覧。