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Smartphone Usage Patterns and Sleep Behavior in Demographic Groups: Retrospective Observational Study.

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  • 1Interdisciplinary Center of Sleep Medicine, Charité - Universitätsmedizin Berlin, Berlin, Germany.

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Summary

Demographic factors significantly influence smartphone usage patterns and nocturnal inactivity. Younger, female, and less educated individuals exhibit higher usage, particularly for social and entertainment apps at night, potentially disrupting sleep.

Keywords:
demographicsnocturnal smartphone inactivitysleep healthsmartphone usage patternssmartwatch

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Area of Science:

  • Digital Health
  • Behavioral Science
  • Sleep Science

Background:

  • Limited research exists on demographic variations in smartphone usage and nocturnal inactivity.
  • Nocturnal smartphone inactivity duration is introduced as a proxy for sleep data to study smartphone use patterns and sleep characteristics.

Purpose of the Study:

  • To investigate demographic differences in daily smartphone usage and nocturnal smartphone inactivity patterns.
  • To explore the relationships between daily smartphone usage and nocturnal smartphone inactivity.

Main Methods:

  • Retrospective analysis of data from 1074 participants using the Murmuras app (Jan-Dec 2022).
  • Calculated daily smartphone usage and nocturnal inactivity durations.
  • Employed Kruskal-Wallis, correlation, and regression analyses to assess demographic differences and associations.

Main Results:

  • Smartphone use for social contact (1.52h/day) and recreation (1.08h/day) was predominant.
  • Females, younger users, and non-full-time employees showed higher usage, particularly for social media and entertainment at night.
  • Higher education correlated with lower usage; work-related use decreased post-work.

Conclusions:

  • Demographic factors are significantly associated with smartphone usage and nocturnal inactivity patterns.
  • Nighttime social media and leisure app use may disrupt sleep patterns.
  • Targeted interventions are needed to address excessive nighttime smartphone use and mitigate adverse sleep effects.