Result: The proportion of elderly people with poor sleep quality is 91.6%. Analysis of multivariable regression model showed that the factor that is really related to the sleep quality of the elderly is the use of stimulants (PR=1.20; 95% CI: 1.05 - 1.37); p=0.009) and anxiety (PR=1.21; 95% CI: 1.11 - 1.31; pcO OOl).