Aleksandra Wierzbicka is a consultant at the Department of Clinical Neurophysiology and Sleep Disorders Center in Institute of Psychiatry and Neurology in Warsaw (Poland). She has completed medical education at the Medical University of Warsaw. She is specialised in neurology and neurophysiology, with the focus on sleep disorders and epilepsy. She has been involved in sleep medicine for 15 years and became a leader of the reference center for diagnosing and treating of narcolepsy in Poland. She is a member of national and international scientific societies and author and coauthor of numerous publications. She was a fellow of the ESRS-Marie Curie Project “Training in Sleep Research and Sleep Medicine”. Dr Wierzbicka is a board member of the Polish National Sleep Foundation that provides teaching courses on polysomnography and sleep medicine as well as other educational activities for profesionals and patients. She started to cooperate with EU-NN in 2009 and has become EU-NN member in 2013.