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Relationship between Problematic Smartphone Use, Sleep Quality and Bedtime Procrastination: A Mediation Analysis.

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Area of Science:

  • Psychology
  • Sleep Science
  • Digital Health

Background:

  • Problematic smartphone use (PSU) is a growing concern.
  • Bedtime procrastination, delaying sleep for non-essential activities, is linked to technology use.
  • Understanding the interplay between PSU, bedtime procrastination, and sleep quality is essential.

Purpose of the Study:

  • To investigate the relationship between sleep quality, PSU, and bedtime procrastination.
  • To examine gender and age differences in these variables.
  • To explore mediation effects of bedtime procrastination on the PSU-sleep quality relationship.

Main Methods:

  • Online survey conducted with 313 participants (aged 18-60) in Spain.
  • Validated scales used: Pittsburgh Sleep Quality Index, Smartphone Addiction Scale-Short Version, Bedtime Procrastination Scale.
  • Statistical analyses included correlations, t-tests, ANOVA, and mediation analysis.

Main Results:

  • Positive associations found between sleep quality, PSU, and bedtime procrastination.
  • Females reported higher PSU and overall smartphone use.
  • Age differences observed in PSU and bedtime procrastination across young, adult, and middle-aged groups.
  • PSU indirectly affected sleep quality via bedtime procrastination.

Conclusions:

  • Bedtime procrastination mediates the relationship between problematic smartphone use and poor sleep quality.
  • PSU and bedtime procrastination are key targets for interventions aimed at improving sleep quality.
  • Findings highlight the need for targeted strategies for young Spanish populations.