Associations Between Both Smartphone Addiction and Objectively Measured Smartphone Use and Sleep Quality and Duration Among University Students: Cross-Sectional Study.

ABSTRACT:

Background

The impact of smartphone use on sleep remains intensely debated. Most existing studies have used self-reported smartphone use data. Moreover, few studies have simultaneously examined associations between both smartphone addiction and objectively measured smartphone use and sleep, and the dose-response relationship between smartphone use and risk of poor sleep has been consistently overlooked, requiring systematic and further research on this topic.

Objective

This study aimed to examine the associations between smartphone addiction and objectively measured smartphone use and sleep quality and duration.

Methods

This cross-sectional study enrolled 17,713 participants from a university in China. We assessed objective smartphone screen time and unlocks by collec

SUBMITTER: Yin J 

PROVIDER: S-EPMC12646561 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature