Associations of overall sedentary time and screen time with sleep outcomes

Jeff K. Vallance, Matthew P. Buman, Clare Stevinson, Brigid M. Lynch

Research output: Contribution to journalJournal Articlepeer-review

49 Citations (Scopus)


Objective: To examine associations of accelerometer-assessed sedentary time and self-reported screen time with sleep outcomes. Methods: Cross-sectional study of 1674 adults from the 2005-2006 US National Health and Nutrition Examination Survey. Accelerometers were used to assess sedentary time. Screen time and sleep metrics were assessed via self-report. Results: Accelerometer-assessed sedentary time was not associated with sleep outcomes. Compared to participants with the least screen time (<2h/day), participants with the most screen time (>6h/day) were more likely to report trouble falling asleep (OR = 2.78, 95% CI: 1.21, 6.40) and wake during the night (OR = 2.55, 95% CI: 1.17, 5.52). Conclusions: With respect to sleep outcomes, context-specific sedentary behaviors may be more important than overall sedentary time.

Original languageEnglish
Pages (from-to)62-67
Number of pages6
JournalAmerican Journal of Health Behavior
Issue number1
Publication statusPublished - 1 Jan. 2015


  • Accelerometer
  • Screen time
  • Sedentary time
  • Sleep


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