Българско дружество по сомнология

Bulgarian Society of Somnology


Prof. Zahari Zahariev, MD, DMSc

Email: zahariev.zahari@yahoo.co.uk

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

Foundation year

2017 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

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

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

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


At present there is no reimbursement in sleep medicine.

February 21, 2019


For further information about the ESRS,
please contact the ESRS Office:

Günzstr. 4
93059 Regensburg


Phone: +49 941 89939875
Fax: +49 941 89939877

VAT ID no.:DE306025081
Register no. of associations: VR 1646 AG Regensburg
Vereinsregister: VR 1646 AG Regensburg