Latent profiles of multi-dimensional sleep characteristics and association with overweight/obesity in Chinese preschool children.

Objectives: To examine the association between latent profiles of multi-dimensional sleep characteristics and overweight/obesity (OWO) in Chinese preschool children.

Study Design: The cross-sectional analysis included 3204 preschool children recruited from 24 kindergartens in Shanghai. Parents reported children's demographics and sleep characteristics, including sleep duration, timing and disturbances.