Background: Population aging is a major health issue in most countries, sleep is one of the significant factors affecting aging and elderly people’s quality of life. The present study was done to assess sleep quality and its contributing factors among elderly people.Methods: This cross-sectional study was conducted in 2018 on 227 elderly people aged fifty five or more participants were selected from the urban field practice area Chidambaram. Data collection tools were a demographic questionnaire, pittsburg sleep quality index and five point depression scale. The collected data were entered into SPSS software (V-22) and analysed using chi-square test at the significance level of less than 0.5.Results: Among 227 elderly people most of them were between the age group of 55 to 60 years (44.9%) and majority of them were females (59%), literacy (69.6%) married (60.5%), house wives (43.6%). Among the population 34.8% had their PSQI value <5 which suggest good sleep quality and whereas 65.2% had PSQI ≥5 suggesting poor sleep quality.Conclusions: The finding of their study indicates that elderly population in this area, have a fairly good quality. The most important factors contributing to their sleep quality are gender, dependency in doing daily activities, other health problems, marital status and their habitual sleep efficiency.