1. Vein AM, Hecht K. Sleep of man. Physiology and pathology. M.: Medicine; 1989.
2. International classification of sleep disorders. 3rd ed. Darien: American Academy of Sleep Medicine; 2014.
3. Arnulf I, Zeitzer M, File J, Farber N. Kleine-Levin syndrome foundation. Boston: MA, USA and Federation des Pathologies du Sommeil; 2005.
4. Kleine W. Periodische schlafsucht. Monats psychiatr Neurol. 1925;57:285-320.
5. Levin M. Periodic somnolence and morbid hunger: A new syndrome. Brain. 1936;59:494-504.