Българско дружество по сомнология

Bulgarian Society of Somnology


Prof. Zahari Zahariev, MD, DMSc

Presentation held during the ANSS meeting in:
Parma, Italy, 04 - 05.05.2018 (future event)
Brussels, Belgium, 28. - 30.04.2016 (PDF)

Foundation year

Successor of the Bulgarian Society of Sleep Medicine (established 2002, officially registered 2008)


Under construction

Number of members


Composition of members (degree, specialties, subspecialties, etc.)

Neurologists 42%, Pneumologists 36%, Pathophysiologists 7%, Physiologists 4%, Anestesiologists 4%, ENT 2%, Cardiologists 2%, Pediatrician neurologists - 1%.
Professors 5, Assoc. Professors 9

Historical perspective of the society

The Bulgarian Somnology Society was established and registered in Plovdiv, Bulgaria in 2017. It is a direct successor of the Bulgarian Society of Sleep Medicine (founded in 2002; and officially registered in 2008).
First experimental and clinical sleep studies in Bulgaria were performed in early 1960s.
Main topics at present: Sleep disordered breathing (SDB) in CHF, Sleep in neurology; SDB and cardiovascular co-morbidity, Sleep at high altitude, EDS, Drowsy driving, Metabolic disturbances and OSA, RLS, Insomnia.
The aim of the society is to promote sleep medicine in Bulgaria by arousing society awareness, inciting governmental politics, educating medical stuff and creating standards related to the field of sleep medicine.

Important sleep physicians / researchers in the history of the NSS

Alexander Alexiev, Bozhidar Dimitrov, Ivan Stajkov, Milena Nikolova, Milena Milanova, Pencho Kolev, Plamen Kotzev, Philip Alexiev, Rumen Kirov, Slavcho Slavchev, Zahari Zahariev

Number of Sleep Medicine Centers (link to their titles and locations)

Sofia: MHATNP„St. Naum”-1; UMHAT “Alexandrovska”-1; Military Medical Academy-; National Heart Hospital – 1, National Sports Academy-1
Plovdiv: UMHAT “St. George”-2,
Varna: UMHAT “St. Marina”-1
Pleven-1, Russe-1, Burgass-1, Gabrovo-1

Number of Sleep Research Centers (link to their titles and locations)

Medical University – Plovdiv, Department of Pathophysiology and Dept. of Neurology; Medical University – Sofia, Clinic of Neurology and Clinic of Pneumology; Tokuda Hospital, Sofia – Neurology Clinic; Military Academy – Clinic of Pulmonology; National Heart Hospital.

Accreditation / Certification procedure

In progress. A process for accreditation of sleep centers and sleep specialists is in preparation in accordance with the European standards. The “Grandfathering” process is not completed yet.

Educational programs

International Federation of Clinical Neurophysiology, 5 days educational course in Sleep Medicine, Sofia 2002
European Neurology 2 days, Educational course in Sleep Medicine, Sofia 2008
Philips/Respironics 2 days, Educational course in Sleep Medicine, Sofia 2010

Neurological Congress 2006, 2011, Sleep Seminars
Cardiological Congress 2007, 2010, Sleep medicine Seminars
One day Sleep medicine course in Shumen, 2011
Three months course in neurology with an examination in Sleep medicine 2010, Sofia
Three months course in Psychophysiology and Sleep
Three months course in Psychology, Sleep and Health

Establishment of Bulgarian Society of Somnology and 1-day satellite symposium – Plovdiv, 24.02.2017

Present activities, working groups, task forces

Press-conference on the problems of drowsy driving and the implementation of the European regulations – Sofia, 15.03.2018

World Sleep Day 2018 activities


At present there is no reimbursement in sleep medicine.