[Genes of the circadian rhythm and sleep disorders in an open population of men aged 25-64 years (an epidemiological study under the WHO MONICA-PSYCHOSOCIAL program)].

Objective: To study an effect of polymorphisms of genes encoding circadian rhythm proteins () on sleep disorders in men aged 25-64 years.

Material And Methods: The general examination was carried out according to standard methods included in the WHO MONICA-psychosocial (MOPSY) program. The standard Jenkins questionnaire was used to study sleep disorders.