Circadian rhythm types and shift work demands shape sleep quality and depressive symptoms in shift-working nurses.

ABSTRACT:

Objective

To examine the predictive, moderating, and combined effects of circadian rhythm types and shift work demands on sleep quality and depressive symptoms among shift-working nurses.

Methods

A cross-sectional study was conducted between May 1, 2024, and May 31, 2025. Shift-working nurses were recruited using convenience sampling at a tertiary hospital in Guangxi, China. Circadian rhythm types, sleep quality and depressive symptoms were assessed using the Circadian Type Inventory [CTI; including flexibility-rigidity (FR) and languidness-vigorousness (LV)], the Pittsburgh Sleep Quality Index (PSQI) and the Patient Health Questionnaire-9 (PHQ-9). Objective data on shift work demands over a four-week period were extracted from the hospital nursing management system, includi

SUBMITTER: Zhao H 

PROVIDER: S-EPMC12500660 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature