1. Narcolepsy and hypersomnia;Roth,1980
2. The international classification of sleep disorders. Diagnosis and coding manual,1990
3. The international classification of sleep disorders - revised;American Academy of Sleep Medicine,2005
4. The international classification of sleep disorders;American Academy of Sleep Medicine,2014
5. Excessive sleep duration and quality of life;Ohayon;Ann Neurol,2013