Sleep and School Attendance in Adolescence: Results from a Large Population-Based Study. Mari Hysing, Siren Haugland, Kjell Morten Stormark, Tormod Bøe, Børge Sivertsen January 2015 Cite DOI female male sleep schools adolescence epidemiology human school article sleep norway epidemiology insomnia empirical study 3560:classroom dynamics & student adjustment & att adolescence (13-17 yrs) adulthood (18 yrs & older) difficulties initiating and maintaining sleep scal non attendance quantitative study school attendance school attendance measure short mood and feelings questionnaire young adulthood (18-29 yrs) 3560:classroom dynamics & student adjustment & att adulthood (18 yrs & older) Related Delayed Sleep Phase Syndrome in Adolescents: Prevalence and Correlates in a Large Population Based Study