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

Digital Mental Health Interventions, e-Mental Health and Cyberpsychology (2178) Insomnia and Sleep Hygiene (253) Sleep Monitoring, Sleep Quality, Sleep Disorders (276) Screen Time for Children and Adolescents (76) Demographics of Users, Social & Digital Divide (934) Mobile Health (mhealth) (3520)

Published on in Vol 28 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/78972, first published .
Longitudinal Between- and Within-Person Associations Among Screen Time, Bedtime, and Daytime Sleepiness Among Adolescents: Three-Wave Prospective Panel Study

Longitudinal Between- and Within-Person Associations Among Screen Time, Bedtime, and Daytime Sleepiness Among Adolescents: Three-Wave Prospective Panel Study

Longitudinal Between- and Within-Person Associations Among Screen Time, Bedtime, and Daytime Sleepiness Among Adolescents: Three-Wave Prospective Panel Study

Authors of this article:

Michał Tkaczyk1 Author Orcid Image ;   Albert J Ksinan2 Author Orcid Image ;   David Smahel1 Author Orcid Image
Article Authors Cited by Tweetations Metrics

Michał Tkaczyk   1 , PhD ;   Albert J Ksinan   2 , PhD ;   David Smahel   1 , Prof Dr

1 Interdisciplinary Research Team on Internet and Society, Faculty of Social Studies, Masaryk University, Brno, Czech Republic

2 RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic

Corresponding Author:

  • Michał Tkaczyk, PhD
  • Interdisciplinary Research Team on Internet and Society
  • Faculty of Social Studies
  • Masaryk University
  • Joštova 218/10
  • Brno 602 00
  • Czech Republic
  • Phone: 420 549-49-7289
  • Email: tkaczyk@fss.muni.cz