U shaped association between sleep duration and long term cognitive decline trajectories in a national cohort.

ABSTRACT: The existing evidence concerning the association between sleep duration and long-term cognitive trajectories remains inconclusive. This cohort study utilized data from the China Health and Retirement Longitudinal Study (CHARLS) spanning from 2011 to 2020, with biennial surveys conducted. Group-based trajectory modeling identified cognitive trajectories over a 9-year period. Multivariable logistic regression, incorporating multiple imputation techniques to address missing data, assessed the association between sleep duration and long-term cognitive function. The sample comprised 8668 participants with a mean age of 56.3 years, of whom 45.7% were female. Among them, 34.24% exhibited cognitive decline, while 65.76% maintained stable cognition. The odds ratios (OR) for incident cognitive decli

SUBMITTER: Feng F 

PROVIDER: S-EPMC12615808 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature