publication . Master thesis . 2015

Long-Term Effects of Extreme Trauma on Sleep Quality and the Circadian Rhythm of Sleep and Wakefulness: An Actigraphy Study of Utøya Survivors

Ugland, Kaja Skullerud; Landrø, Heidi;
Open Access English
  • Published: 15 Apr 2015
  • Publisher: The University of Bergen
  • Country: Norway
Abstract
The terror attack at Utøya Island in 2011 was a national tragedy. Most of the survivors were adolescents. The aim of this study was to explore how sleep and circadian rhythm of sleep and wakefulness was affected after the Utøya massacre. In addition we wanted to examine the general sleep pattern among adolescents. Methods: 42 Utøya survivors and 46 control subjects matched on gender, age and socio- demographical variables were studied 18-30 months after the attack. Sleep was assessed by actigraphy. Results: Utøya survivors display a delayed circadian rhythm of sleep and wakefulness (bedtime, sleep onset, wake up time and get up time) compared to control subjects...
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free text keywords: Insomnia, Sleep Disorders, Emotional Trauma, Adolescent Development, Human Biological Rhythms, Utøya, terror, actigraphy, long-term effects, Sleep, Adolescents, manual coding, 736102
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