Association Between Sleep Duration and Cognitive Decline.

ABSTRACT:

Importance

An association between sleep duration and the trajectory of cognitive decline has not been conclusively demonstrated.

Objective

To investigate the association between sleep duration and cognitive decline by a pooled analysis of 2 nationally representative aging cohorts.

Design, setting, and participants

A pooled cohort study using data from waves 4 to 8 (2008-2009 to 2016-2017) in the English Longitudinal Study of Ageing and waves 1 to 3 (2011 to 2015) in the China Health and Retirement Longitudinal Study in a population-based setting. Participants were 2 randomly enrolled cohorts comprising 28 756 individuals living in England who were 50 years or older and those living in China who were 45 years or older.

Exposure

Self-reported sleep duration per n

SUBMITTER: Ma Y 

PROVIDER: S-EPMC7506513 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature