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This paper is in the following e-collection/theme issue:

Mobile Health (mhealth) (4977) Problematic Internet Use, Online Gambling and Game Addiction (317) Insomnia and Sleep Hygiene (296) Intentional Self-Harm (183) Mental Health Issues in Adolescence (739) Screen Time for Children and Adolescents (98)

Published on in Vol 27 (2025)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/70819, first published .
Woman in bed at night using a smartphone, blue light illuminating her face

The Association Between Presleep and Postwake Mobile Phone Use and Nonsuicidal Self-Injury Among University Students: Cross-Sectional Study

The Association Between Presleep and Postwake Mobile Phone Use and Nonsuicidal Self-Injury Among University Students: Cross-Sectional Study

Authors of this article:

Xue Wang1, 2 Author Orcid Image ;   Lei Zhang2, 3 Author Orcid Image ;   Mingyang Wu4 Author Orcid Image ;   Xiaoxiao Yuan1, 2 Author Orcid Image ;   Le Ma5 Author Orcid Image ;   Wenhua Wang1, 2 Author Orcid Image
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Journals

  1. Dou L, Wang W, Zhang L, Zou Q, Peng Y, Xirennayi A, Yang X, Liu X, Shu Y, Wu M. Objectively Measured Social Media Duration in Relation to Non-Suicidal Self-Injury, Suicide Ideation, and Suicide Attempt Among Young Adults. Archives of Suicide Research 2026:1 View