Browsing Bergen Open Research Archive by Author "Bjorvatn, Bjørn"
Now showing items 1-20 of 48
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Adults with attention deficit hyperactivity disorder report high symptom levels of troubled sleep, restless legs, and cataplexy
Bjorvatn, Bjørn; Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne; Posserud, Maj-Britt Rocio; Instanes, Johanne Telnes; Haavik, Jan (Peer reviewed; Journal article, 2017-09-20)Objective: To compare the occurrence of a spectrum of different self-reported sleep problems in adults with ADHD and a control group, and to study the impact of current ADHD medication use and clinical ADHD subtype. Method: ... -
Aggression from Patients or Next of Kin and Exposure to Bullying Behaviors: A Conglomerate Experience?
Reknes, Iselin; Notelaers, Guy; Magerøy, Nils; Pallesen, Ståle; Bjorvatn, Bjørn; Moen, Bente Elisabeth; Einarsen, Ståle (Peer reviewed; Journal article, 2017-02-08)Although workplace violence and aggression have been identified as important stressors in the nursing profession, studies simultaneously comparing patient-initiated aggression and exposure to bullying behaviors at work are ... -
Alerting and Circadian Effects of Short-Wavelength vs. Long-Wavelength Narrow-Bandwidth Light during a Simulated Night Shift
Sunde, Erlend; Pedersen, Torhild; Mrdalj, Jelena; Thun, Eirunn; Grønli, Janne; Harris, Anette; Bjorvatn, Bjørn; Waage, Siri; Skene, Debra J.; Pallesen, Ståle (Journal article; Peer reviewed, 2020)Light can be used to facilitate alertness, task performance and circadian adaptation during night work. Novel strategies for illumination of workplaces, using ceiling mounted LED-luminaires, allow the use of a range of ... -
The Association Between Shift Work and Immunological Biomarkers in Nurses
Bjorvatn, Bjørn; Axelsson, John; Pallesen, Ståle; Waage, Siri; Vedaa, Øystein; Blytt, Kjersti Marie; Buchvold, Hogne Vikanes; Moen, Bente Elisabeth; Thun, Eirunn (Journal article; Peer reviewed, 2020)Objectives: Shift work is associated with several negative health effects. The underlying pathophysiological mechanisms are unclear, but low-grade inflammation has been suggested to play a role. This project aimed to ... -
Associations between night work and BMI, alcohol, smoking, caffeine and exercise - A cross-sectional study
Buchvold, Hogne Vikanes; Pallesen, Ståle; Øyane, Nicolas Melchior Frederic; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2015-11-12)Background: Shift work is associated with negative health effects. Increased prevalence of several cardiovascular risk factors among shift workers/night workers compared with day workers have been shown resulting in increased ... -
Blue-enriched white light improves performance but not subjective alertness and circadian adaptation during three consecutive simulated night shifts
Sunde, Erlend; Pedersen, Torhild; Mrdalj, Jelena; Thun, Eirunn; Grønli, Janne; Harris, Anette; Bjorvatn, Bjørn; Waage, Siri; Skene, Debra J.; Pallesen, Ståle (Journal article; Peer reviewed, 2020)Use of blue-enriched light has received increasing interest regarding its activating and performance sustaining effects. However, studies assessing effects of such light during night work are few, and novel strategies for ... -
Can insomnia in pregnancy predict postpartum depression? A longitudinal, population-based study
Dørheim, Signe Karen; Bjorvatn, Bjørn; Eberhard-Gran, Malin (Peer reviewed; Journal article, 2014-04-14)Background: Insomnia and depression are strongly interrelated. This study aimed to describe changes in sleep across childbirth, and to evaluate whether insomnia in pregnancy is a predictor of postpartum depression. Methods: ... -
Causes and management of sleepiness among pilots in a Norwegian and an Austrian air ambulance service—a comparative study
Zakariassen, Erik; Waage, Siri; Harris, Anette; Gatterbauer-Trischler, Pia; Lang, Bernd; Voelckel, Wolfgang Georg Cornelius; Pallesen, Ståle; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2019-01)Objective We compared subjectively reported sleepiness and fatigue as well as causes and management strategies for combating sleepiness among pilots working in 2 different helicopter emergency medical services operating ... -
Clinical Significance of Periodic Limb Movement Disorder (PLMD) in Insomnia Patients
Sivertsen, Børge; Omvik, Siri; Straume, Sivert; Pallesen, Ståle; Bjorvatn, Bjørn; Havik, Odd E. (Peer reviewed; Journal article, 2008) -
Clinically significant discrepancies between sleep problems assessed by standard clinical tools and actigraphy
Blytt, Kjersti Marie; Bjorvatn, Bjørn; Husebø, Bettina; Flo, Elisabeth (Peer reviewed; Journal article, 2017-10-27)Background: Sleep disturbances are widespread among nursing home (NH) patients and associated with numerous negative consequences. Identifying and treating them should therefore be of high clinical priority. No prior studies ... -
Early and Later Life Stress Alter Brain Activity and Sleep in Rats
Mrdalj, Jelena; Pallesen, Ståle; Milde, Anne Marita; Jellestad, Finn Konow; Murison, Robert; Ursin, Reidun; Bjorvatn, Bjørn; Grønli, Janne (Peer reviewed; Journal article, 2013-07-26)Exposure to early life stress may profoundly influence the developing brain in lasting ways. Neuropsychiatric disorders associated with early life adversity may involve neural changes reflected in EEG power as a measure ... -
Effects of pain treatment on sleep in nursing home patients with dementia and depression: A multicenter placebo-controlled randomized clinical trial
Blytt, Kjersti Marie; Bjorvatn, Bjørn; Husebø, Bettina; Flo, Elisabeth (Peer reviewed; Journal article, 2018-12-28)Objective: To investigate the effects of pain treatment on sleep in nursing home (NH) patients with dementia and depression. Methods: A multicenter, 2‐armed, double‐blinded, placebo‐controlled, randomized clinical trial ... -
The European Academy for Cognitive Behavioural Therapy for Insomnia: An initiative of the European Insomnia Network to promote implementation and dissemination of treatment
Baglioni, Chiara; Altena, Ellemarije; Bjorvatn, Bjørn; Blom, Kerstin; Bothelius, Kristoffer; Devoto, Alessandra; Espie, Colin A.; Frase, Lukas; Gavriloff, Dimitri; Tuuliki, Hion; Hoflehner, Andrea; Högl, Birgit; Holzinger, Brigitte; Järnefelt, Heli; Jernelöv, Susanna; Johann, Anna F.; Lombardo, Caterina; Nissen, Christoph; Palagini, Laura; Peeters, Geert; Perlis, Michael L.; Posner, Donn; Schlarb, Angelika; Spiegelhalder, Kai; Wichniak, Adam; Riemann, Dieter (Journal article; Peer reviewed, 2020)Insomnia, the most prevalent sleep disorder worldwide, confers marked risks for both physical and mental health. Furthermore, insomnia is associated with considerable direct and indirect healthcare costs. Recent guidelines ... -
Habitual Sleep, Social Jetlag, and Reaction Time in Youths With Delayed Sleep–Wake Phase Disorder. A Case–Control Study
Saxvig, Ingvild W.; Wilhelmsen-Langeland, Ane; Pallesen, Ståle; Nordhus, Inger Hilde; Vedaa, Øystein; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2019-11-12)The aim of this study was to explore habitual sleep, social jetlag, and day-to-day variations in sleep (measured as intra-individual standard deviation, ISD) in youths with delayed sleep–wake phase disorder (DSWPD), compared ... -
Increased Health Risk in Subjects with High Self-Reported Seasonality
Øyane, Nicolas Melchior Frederic; Ursin, Reidun; Pallesen, Ståle; Holsten, Fred; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2010-03-03)Background: Seasonal variations in mood and behaviour, termed seasonality, are commonly reported in the general population. As a part of a large cross-sectional health survey in Hordaland, Norway, we investigated the ... -
Insomnia as a partial mediator of the relationship between personality and future symptoms of anxiety and depression among nurses
Sørengaard, Torhild Anita; Karlsen, Håvard Rudi; Langvik, Eva; Pallesen, Ståle; Bjorvatn, Bjørn; Waage, Siri; Moen, Bente Elisabeth; Saksvik-Lehouillier, Ingvild (Peer reviewed; Journal article, 2019-04-26)Background: This study investigates insomnia as a partial mediator in the relationship between personality and symptoms of anxiety and depression. Methods: The study is based on partly longitudinal data from the ... -
Insomnia symptom trajectories among adult survivors of childhood sexual abuse: A longitudinal study
Steine, Iris Mulders; Skogen, Jens Christoffer; Krystal, John H.; Winje, Dagfinn; Milde, Anne Marita; Grønli, Janne; Nordhus, Inger Hilde; Bjorvatn, Bjørn; Pallesen, Ståle (Peer reviewed; Journal article, 2019)Background: Childhood sexual abuse (CSA) is associated with sleep disturbances in adulthood. However, longitudinal studies have yet to identify among CSA-survivors subgroups distinguished by the trajectory of their insomnia ... -
Long working hours are inversely related to sick leave in the following 3 months: a 4-year registry study
Vedaa, Øystein; Pallesen, Ståle; Erevik, Eilin K.; Svensen, Erling; Waage, Siri; Bjorvatn, Bjørn; Sivertsen, Børge; Harris, Anette (Peer reviewed; Journal article, 2019-05)Purpose: The aim of this study was to investigate the effects of long working hours (≥ 12 h shifts) on sick leave using objective records of shift work exposure and of sick leave. Methods: A total of 1538 ... -
Long-term pain treatment did not improve sleep in nursing home patients with comorbid dementia and depression: A 13-week randomized placebo-controlled trial
Blytt, Kjersti Marie; Husebø, Bettina; Flo, Elisabeth; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2018-02-13)Objective: Previous research indicates that pain treatment may improve sleep among nursing home patients. We aimed to investigate the long-term effect of pain treatment on 24-h sleep patterns in patients with comorbid ... -
Midlife insomnia and subsequent mortality: the Hordaland health study
Sivertsen, Børge; Pallesen, Ståle; Glozier, Nick; Bjorvatn, Bjørn; Salo, Paula; Tell, Grethe Seppola; Ursin, Reidun; Øverland, Simon (Peer reviewed; Journal article, 2014-07-15)Background: Previous research suggests a possible link between insomnia and mortality, but findings are mixed and well-controlled studies are lacking. The aim of the current study was to examine the effect of insomnia in ...