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EMF Study
(Database last updated on Feb 18, 2020)

ID Number 1758
Study Type Social Sciences
Model Mobile phone use by teenagers and disruption of sleep schedule (use of mobile phones after bedtime)

Adolescents enrolled from 15 randomly selected secondary schools (n = 1656) were questioned regarding mobile phone use behavior after bed time. The authors report mobile phone use after bedtime in teenagers is common (20% send / recieve text messages after bedtime at least 1 per wk). Only 38% did not use their mobile phone after bedtime. The authors further correlate this behavior with increased tiredness, although they admit the alternative explanation - that teens use the phone more because they cannot sleep - could also theoretically be true, although unlikely at least for the teen recieving the after hours call

Findings Not Applicable to Bioeffects
Status Completed With Publication
Principal Investigator Katholieke Univ, Leuven, Belgium
Funding Agency Private/Instit.
  • van den Bulck, J Sleep., (2007) 30:1220-1223
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