[Health status of various groups of population of workforce age].

Health status (incidence of chronic diseases, objective evaluation of the health status), life-style, and consultation rates were analyzed for various population groups.

[Social-hygienic evaluation of the prevalence of sleep disorders].

According to the data of interviews of 4000 subjects, the incidence of sleep disorders is about 30% in different regions of Russia; for the age group of 20 to 24 years it is 5%, for subjects aged over 60-40%. Fourteen percent of men and twenty-four percent of women of capable age (30-59 years) complain of insufficient sleep. The quality of sleep depends on age, sex, constitutional features (excessive or insufficient body weight), and social characteristics (frequent change of working places, change of place of residence (migrations), family status, and microclimate in a family.