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Excessive Screen Time & Short Sleep Duration

Sleep Medicine; ePub 2018 Dec 12; Twenge, et al

Spending multiple hours daily on electronic devices is associated with shorter sleep duration across all ages, a recent study found. The population-based study of US children aged 0‒17 years compared the association of portable vs non-portable electronic devices with sleep duration throughout childhood. Researchers used data from a 2016 national survey of the caregivers of 43,755 children and adolescents aged 0‒17 years. They found:

  • Children and adolescents who spent more time on screens slept fewer hours.
  • Short sleep was more strongly associated with portable electronic devices vs stationary devices, especially in adolescents.
  • Associations held when controlled for demographics as well as body mass index, mood disorders, and physical activity.


Twenge JM, Hisler GC. Associations between screen time and sleep duration are primarily driven by portable electronic devices: Evidence from a population-based study of U.S. children ages 0 to 17. [Published online ahead of print December 12, 2018]. Sleep Medicine. doi:10.1016/j.sleep.2018.11.009.

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