Browsing Faculty of Medicine by Author "Bjorvatn, Bjørn"
Now showing items 21-40 of 78
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The effects of bright light treatment on subjective and objective sleepiness during three consecutive night shifts among hospital nurses – a counter-balanced placebo-controlled crossover study
Bjorvatn, Bjørn; Pallesen, Ståle; Waage, Siri; Thun, Eirunn; Blytt, Kjersti Marie (Journal article; Peer reviewed, 2021)Objectives The objective was to investigate effects of timed bright light treatment on subjective and objective measures of sleepiness during three consecutive night shifts among hospital nurses. Methods Thirty-five ... -
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 ... -
The European Insomnia Guideline: An update on the diagnosis and treatment of insomnia 2023
Riemann, Dieter; Espie, Colin A.; Altena, Ellemarije; Arnardottir, Erna Sif; Baglioni, Chiara; Bassetti, Claudio L. A.; Bastien, Celyne; Berzina, Natalija; Bjorvatn, Bjørn; Dikeos, Dimitris; Dolenc Groselj, Leja; Ellis, Jason G.; Garcia-Borreguero, Diego; Geoffroy, Pierre A.; Gjerstad, Michaela-Alexandra Dreetz; Gonçalves, Marta; Hertenstein, Elisabeth; Hoedlmoser, Kerstin; Hion, Tuuliki; Holzinger, Brigitte; Janku, Karolina; Jansson-Fröjmark, Markus; Järnefelt, Heli; Jernelöv, Susanna; Jennum, Poul Jørgen; Khachatryan, Samson; Krone, Lukas; Kyle, Simon D.; Lancee, Jaap; Leger, Damien; Lupusor, Adrian; Marques, Daniel Ruivo; Nissen, Christoph; Palagini, Laura; Paunio, Tiina; Perogamvros, Lampros; Pevernagie, Dirk; Schabus, Manuel; Shochat, Tamar; Szentkiralyi, Andras; Van Someren, Eus; van Straten, Annemieke; Wichniak, Adam; Verbraecken, Johan; Spiegelhalder, Kai (Journal article; Peer reviewed, 2023)Progress in the field of insomnia since 2017 necessitated this update of the European Insomnia Guideline. Recommendations for the diagnostic procedure for insomnia and its comorbidities are: clinical interview (encompassing ... -
Evening-types show highest increase of sleep and mental health problems during the COVID-19 pandemic—multinational study on 19 267 adults
Merikanto, Ilona; Kortesoja, Laura; Benedict, Christian; Chung, Frances; Cedernaes, Jonathan; Espie, Colin A.; Morin, Charles M.; Dauvilliers, Yves; Partinen, Markku; Gennaro, Luigi De; Wing, Yun Kwok; Chan, Ngan Yin; Inoue, Yuichi; Matsui, Kentaro; Holzinger, Brigitte; Plazzi, Giuseppe; Mota-Rolim, Sérgio Arthuro; Leger, Damien; Penzel, Thomas; Bjorvatn, Bjørn (Journal article; Peer reviewed, 2022)Study Objectives Individual circadian type is a ubiquitous trait defining sleep, with eveningness often associated with poorer sleep and mental health than morningness. However, it is unknown whether COVID-19 pandemic has ... -
Evidence for widespread alterations in cortical microstructure after 32 h of sleep deprivation
Voldsbekk, Irene; Bjørnerud, Atle; Groote, Inge Rasmus; Zak, Nathalia; Roelfs, Daniël; Maximov, Ivan; Geier, Oliver; Due-Tønnessen, Paulina; Bøen, Erlend; Kuiper, Yvonne S.; Løkken, Lise Linn; Strømstad, Marie; Blakstvedt, Taran Youssefian; Bjorvatn, Bjørn; Malt, Ulrik Fredrik; Westlye, Lars Tjelta; Elvsåshagen, Torbjørn; Grydeland, Håkon (Journal article; Peer reviewed, 2022)Cortical microstructure is influenced by circadian rhythm and sleep deprivation, yet the precise underpinnings of these effects remain unclear. The ratio between T1-weighted and T2-weighted magnetic resonance images (T1w/T2w ... -
Habitual Sleep Patterns and Chronic Sleep Problems in Relation to Sex, Age, and Circadian Preference in a Population-Based Sample of Norwegian Adults
Saxwig, Ingvild West; Bjorvatn, Bjørn; Waage, Siri (Journal article; Peer reviewed, 2023)Sleep patterns and problems vary in relation to internal (e.g., sex, age, circadian preference) and external (e.g., social structures) factors. The main aim of the present study was to describe habitual sleep patterns and ... -
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 ... -
Has the COVID-19 Pandemic Traumatized Us Collectively? The Impact of the COVID-19 Pandemic on Mental Health and Sleep Factors via Traumatization: A Multinational Survey
Holzinger, Brigitte; Nierwetberg, Franziska; Chung, Frances; Bolstad, Courtney J.; Bjorvatn, Bjørn; Chan, Ngan Yin; Dauvilliers, Yves; Espie, Colin A.; Han, Fang; Inoue, Yuichi; Leger, Damien; Macêdo, Tainá; Matsui, Kentaro; Merikanto, Ilona; Morin, Charles M.; Mota-Rolim, Sérgio A.; Partinen, Markku; Plazzi, Giuseppe; Penzel, Thomas; Sieminski, Mariusz; Wing, Yun Kwok; Scarpelli, Serena; Nadorff, Michael R.; De Gennaro, Luigi (Journal article; Peer reviewed, 2022)Purpose: The COVID-19 pandemic affects mental health and sleep, resulting in frequent nightmares. Therefore, identifying factors associated with nightmare frequency is important, as it can indicate mental health issues. ... -
How our Dreams Changed During the COVID-19 Pandemic: Effects and Correlates of Dream Recall Frequency - a Multinational Study on 19,355 Adults
Fränkl, Eirin; Scarpelli, Serena; Nadorff, Michael R.; Bjorvatn, Bjørn; Bolstad, Courtney J.; Chan, Ngan Yin; Chung, Frances; Dauvilliers, Yves; Espie, Colin A.; Inoue, Yuichi; Leger, Damien; Macedo, Taina; Matsui, Kentaro; Merikanto, Ilona; Morin, Charles M.; Mota-Rolim, Sérgio Arthuro; Partinen, Markku; Penzel, Thomas; Plazzi, Giuseppe; Sieminski, Mariusz; Wing, Yun Kwok; Gennaro, Luigi De; Holzinger, Brigitte (Journal article; Peer reviewed, 2021)Objective: Many have reported odd dreams during the pandemic. Given that dreams are associated with mental health, understanding these changes could provide crucial information about wellbeing during the pandemic. This ... -
How to schedule night shift work in order to reduce health and safety risks
Garde, Anne Helene; Begtrup, Luise; Bjorvatn, Bjørn; Bonde, Jens Peter; Hansen, Johnni; Hansen, Åse Marie; Härmä, Mikko; Jensen, Marie Aarrebo; Kecklund, Göran; Kolstad, Henrik A.; Larsen, Ann Dyreborg; Lie, Jenny-Anne Sigstad; Moreno, Claudia; Nabe-Nielsen, Kirsten; Sallinen, Mikael (Journal article; Peer reviewed, 2020)Objectives This discussion paper aims to provide scientifically based recommendations on night shift schedules, including consecutive shifts, shift intervals and duration of shifts, which may reduce health and safety risks. ... -
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 – A Heterogenic Disorder Often Comorbid With Psychological and Somatic Disorders and Diseases: A Narrative Review With Focus on Diagnostic and Treatment Challenges
Bjorvatn, Bjørn; Jernelöv, Susanna; Pallesen, Ståle (Journal article; Peer reviewed, 2021)Patients with insomnia complain of problems with sleep onset or sleep maintenance or early morning awakenings, or a combination of these, despite adequate opportunity and circumstances for sleep. In addition, to fulfill ... -
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 ... -
Meal and Sleep Timing before and during the COVID-19 Pandemic: A Cross-Sectional Anonymous Survey Study from Sweden
Benedict, Christian; Brandão, Luiz Eduardo Mateus; Merikanto, Ilona; Partinen, Markku; Bjorvatn, Bjørn; Cedernaes, Jonathan (Journal article; Peer reviewed, 2021)The COVID-19 pandemic and related restrictions, such as stay-at-home-orders, have significantly altered daily routines and lifestyles. Given their importance for metabolic health, we herein compared sleep and meal timing ... -
Migraine, tension-type headache and medication-overuse headache in a large population of shift working nurses: a cross-sectional study in Norway
Bjorvatn, Bjørn; Pallesen, Ståle; Moen, Bente Elisabeth; Waage, Siri; Kristoffersen, Espen Saxhaug (Peer reviewed; Journal article, 2018)Objectives: To investigate associations between different types of headaches and shift work. Design, participants and outcome measures: Nurses with different work schedules (day work, two-shift rotation, night work, ... -
Nightmares in People with COVID-19: Did Coronavirus Infect Our Dreams?
Scarpelli, Serena; Nadorff, Michael R.; Bjorvatn, Bjørn; Chung, Frances; Dauvilliers, Yves; Espie, Colin A.; Inoue, Yuichi; Matsui, Kentaro; Merikanto, Ilona; Morin, Charles M.; Penzel, Thomas; Sieminski, Mariusz; Fang, Han; Macêdo, Tainá; Mota-Rolim, Sérgio A.; Leger, Damien; Plazzi, Giuseppe; Chan, Ngan Yin; Partinen, Markku; Bolstad, Courtney J.; Holzinger, Brigitte; De Gennaro, Luigi (Journal article; Peer reviewed, 2022)Introduction: A growing number of studies have demonstrated that the coronavirus disease-19 (COVID-19) pandemic has severely affected sleep and dream activity in healthy people. To date, no investigation has examined dream ... -
No effect of a self-help book for insomnia in patients with obstructive sleep apnea and comorbid chronic insomnia – a randomized controlled trial.
Bjorvatn, Bjørn; Berge, Thomas; Lehmann, Sverre; Pallesen, Ståle; Saxvig, Ingvild W. (Peer reviewed; Journal article, 2018-11-29)Objective: To compare the effects of a self-help book for insomnia to that of sleep hygiene advice in a randomized controlled trial with follow-up after about 3 months among patients who were diagnosed with obstructive ... -
The Norwegian PraksisNett: a nationwide practice-based research network with a novel IT infrastructure
Kristoffersen, Espen Saxhaug; Bjorvatn, Bjørn; Halvorsen, Peder Andreas; Nilsen, Stein; Fossum, Guro Haugen; Fors, Egil Andreas; Jørgensen, Pål; Øxnevad-Gundersen, Berit; Gjelstad, Svein; Bellika, Johan Gustav; Straand, Jørund; Rørtveit, Guri (Journal article; Peer reviewed, 2022)Clinical research in primary care is relatively scarce. Practice-based research networks (PBRNs) are research infrastructures to overcome hurdles associated with conducting studies in primary care. In Norway, almost all ... -
Nye diagnosekriterier for insomni og sammenhengen mellom insomni, angst og depresjon
Olufsen, Inger Sofie Lindberg; Sørensen, Marie Ellingsen; Bjorvatn, Bjørn (Journal article; Peer reviewed, 2020)Bakgrunn: I klassifikasjonssystemet Diagnostic Statistical Manual of Mental Disorders, versjon 5 (DSM-5) er diagnosekriteriene for insomni endret. De samme endringene ventes i International Classification of Diseases, ...