title: Insomnia symptoms among Greek adolescent students with excessive computer use.
abstract: BACKGROUND
  The aim of the present study is to assess the intensity of computer use and insomnia epidemiology among Greek adolescents, to examine any possible age and gender differences and to investigate whether excessive computer use is a risk factor for developing insomnia symptoms.
  
  
  METHODS
  Cross-sectional study of a stratified sample of 2195 high school students. Demographic data were recorded and two specific questionnaires were used, the Adolescent Computer Addiction Test (ACAT) and the Athens Insomnia Scale (AIS).
  
  
  RESULTS
  Females scored higher than males on insomnia complaints but lower on computer use and addiction. A dosemediated effect of computer use on insomnia complaints was recorded. Computer use had a larger effect size than sex on insomnia complaints. Duration of computer use was longer for those adolescents classified as suffering from insomnia compared to those who were not.
  
  
  CONCLUSIONS
  Computer use can be a significant cause of insomnia complaints in an adolescent population regardless of whether the individual is classified as addicted or not.
authors.forename: K E
authors.initials: KE
authors.lastname: Siomos
authors.forename: D
authors.initials: D
authors.lastname: Braimiotis
authors.forename: G D
authors.initials: GD
authors.lastname: Floros
authors.forename: V
authors.initials: V
authors.lastname: Dafoulis
authors.forename: N V
authors.initials: NV
authors.lastname: Angelopoulos