Somnolencia excesiva diurna en la ciudad de México

objective: to determine the prevalence of excessive daytime somnolence (eds) in a sample of residents from mexico city. methods: a cross-sectional survey was done using a randomized telephone survey. a structured questionnaire (including demographic and clinical data) and epworth sleepiness scale, a valid and re liable instrument for the detection of eds, were administered. results: a total sample of 200 subjects was obtained, with a mean age of 37 ± 16.24 years. eds was found in 31.5% of the subjects; 12.5% considered that eds interfered in a significant way with daily activities, and 9% with work related abilities. subjects with eds were older, came from lower socio-economic status, and had a significantly higher body mass index. discussion: our results indicate that eds is more frequent in mexico city residents than in other populations. notwithstanding, the association between eds with advanced age, lower socio-economic status and high body mass index requires further investigation.