Wang Zan, Professor of Neurology, The First Hospital of Jilin University; Director of Sleep Center; Doctoral Advisor; Visiting Scholar of University of Zurich, Switzerland; Post-Doctor of University of Innsbruck, Austria. Areas of expertise: Sleep and epilepsy. He serves as Vice Chairman of Sleep Science Branch of Gerontological Society of China; Vice Chairman of Sleep Disorders Committee of China Sleep Research Society; member of the Standing Committee of Education Committee; member of the Standing Committee of Chinese Medical Doctor Association Sleep Medicine Specialized Committee; Deputy Group Leader of Neurology Group, Chinese Medical Doctor Association Sleep Medicine Specialized Committee; Deputy Group Leader of Sleep Medicine Group, Neurologist Branch of Chinese Medical Doctor Association; member of the Committee of Sleep Medicine Group, Neurology Branch of Chinese Medical Association; member of the Standing Committee of Chinese Academy Society of Sleep Medicine, Cross-Straits Medicine Exchange Association; President of Northeast and Inner Mongolia Alliance for Diagnosis and Treatment of Sleep Disorders; Chairman of Jilin Sleep Disorders Specialized Committee; member of the Committee of Electroencephalography, Neuroelectrophysiology and Medication Committee, China Association Against Epilepsy; Executive Director of Jilin Association Against Epilepsy; Peer Reviewer for International Cooperation of the Ministry of Science and Technology; Editorial Board Member of Sleep Medicine, a textbook for undergraduates; Associate Editor-in-Chief of Journal of Apoplexy and Nervous Diseases; Principal Translator of Atlas of Sleep Medicine; he has published 100 academic papers and 20 SCI papers; he, as the responsible person, undertook National Natural Science Foundation of China provincial and municipal-level scientific research projects (9 projects); he won the Third Prize of Jilin Provincial Science and Technology Progress Award (2 prizes).