National Sleep Foundation

Chapter 4: Primary Hypersomnias


Behaviorally-induced ISS is diagnosed in about seven percent of people who seek help from a sleep disorder center; its exact prevalence among the general population is not known. It can occur at any age, but is most prevalent in adolescents and young adults.4 One study of more than 1200 Norwegian high school students found that more than 10 percent (10.4%) had Behaviorally-induced ISS.5


  1. Komada Y, Inoue Y, Hayashida K, Nakajima T, Honda M, Takahashi K., “Clinical significance and correlates of behaviorally induced insufficient sleep syndrome,” Sleep Med. 2008 Dec;9(8):851-6. Epub 2007 Nov 5.
  2. Pallesen S, West Saxvigc I, Moldea H, Sørensenb E, Wilhelmsen-Langelandc A, BBjorvatnb B, “Brief report: Behaviorally induced insufficient sleep syndrome in older adolescents: Prevalence and correlates,” Journal of Adolescence, Volume 34, Issue 2, April 2011, Pages 391–395.