Blar i NTNU Open på forfatter "Vedaa, Øystein"
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Long-Term Effects of an Unguided Online Cognitive Behavioral Therapy for Chronic Insomnia
Vedaa, Øystein; Hagatun, Susanne; Kallestad, Håvard; Pallesen, Ståle; Smith, Otto Robert Frans; Thorndike, Frances P; Ritterband, Lee M.; Sivertsen, Børge (Journal article; Peer reviewed, 2019)STUDY OBJECTIVES: The aim of this study was to test the efficacy of fully automated Internet-delivered cognitive behavioral therapy for insomnia (CBT-I) 18 months after the intervention period on sleep, daytime functioning, ... -
Mode of delivery of Cognitive Behavioral Therapy for Insomnia: a randomized controlled non-inferiority trial of digital and face-to-face therapy
Kallestad, Håvard; Scott, Janine Linda; Vedaa, Øystein; Lydersen, Stian; Vethe, Daniel; Morken, Gunnar; Stiles, Tore C; Sivertsen, Børge; Langsrud, Knut (Peer reviewed; Journal article, 2021)Study Objectives Digital Cognitive Behavioral Therapy for Insomnia (dCBT-I) has demonstrated efficacy in reducing insomnia severity in self-referred and community samples. It is unknown, however, how dCBT-I compares to ... -
The Norwegian remote intervention program for problem gambling: Short- and long-term outcomes
Erevik, Eilin K.; Pallesen, Ståle; Mohn, Mette; Aspeland, Trond; Vedaa, Øystein; Torsheim, Torbjørn (Peer reviewed; Journal article, 2020)Abstract Background and aim: Although problem gambling typically involves substantial distress, few seek face-to-face treatment. In Norway, problem gamblers can participate in a governmental supported internet- and ... -
Overcoming insomnia: Protocol for a large-scale randomised controlled trial of online cognitive behaviour therapy for insomnia compared with online patient education about sleep
Kallestad, Håvard; Vedaa, Øystein; Scott, Janine Linda; Morken, Gunnar; Pallesen, Ståle; Harvey, Allison G.; Gehrman, Phil; Thorndike, Frances; Ritterband, Lee; Stiles, Tore C; Sivertsen, Børge (Journal article; Peer reviewed, 2018)Introduction Insomnia is a major public health concern. While cognitive behaviour therapy for insomnia (CBT-I) is acknowledged as the best available intervention, there are unanswered questions about its wider dissemination, ... -
Patients with delayed sleep-wake phase disorder show poorer executive functions compared to good sleepers
Wilhelmsen-Langeland, Ane; Saxvig, Ingvild W.; Johnsen, Emma Hole; Marszalek, Maja Anna; Andersen, Maria Isolde Wiig; Sætre, Vild Katrine; Lundervold, Astri; Vedaa, Øystein; Nordhus, Inger Hilde; Pallesen, Ståle; Bjorvatn, Bjørn (Journal article; Peer reviewed, 2019)Objective Delayed Sleep-Wake Phase Disorder (DSWPD) is associated with negative outcomes, including reduced daytime performance and difficulties with treatment adherence. These outcomes are mediated by executive functions ... -
Short and long-term effects of unguided internet-based cognitive behavioral therapy for chronic insomnia in morning and evening persons: a post-hoc analysis
Lien, Mats; Bredeli, Einar Rørstad; Sivertsen, Børge; Kallestad, Håvard; Pallesen, Ståle; Smith, Otto Robert Frans; Faaland, Patrick; Ritterband, Lee M.; Thorndike, Frances P.; Vedaa, Øystein (Journal article; Peer reviewed, 2019)A post-hoc analysis comparing morning and evening persons with insomnia on sleep and mental health characteristics was conducted in order to investigate whether an Internet-based cognitive behavioral therapy for insomnia ... -
Short rest between shifts (quick returns) and night work is associated with work-related accidents
Vedaa, Øystein; Harris, Anette; Erevik, Eilin K.; Waage, Siri; Bjorvatn, Bjørn; Sivertsen, Børge; Moen, Bente Elisabeth; Pallesen, Ståle (Journal article; Peer reviewed, 2019)Purpose The aim of this study was to examine whether less than 11 h between shifts (i.e., quick returns, QRs) and night shifts is associated with self-reported work-related accidents, near accidents or dozing off at work ... -
Sleep in the land of the midnight sun and polar night: The Tromsø study
Sivertsen, Børge; Friborg, Oddgeir; Pallesen, Ståle; Vedaa, Øystein; Hopstock, Laila Arnesdatter (Peer reviewed; Journal article, 2020)While some diseases and human behaviors fluctuate consistently with season, the extent of seasonal variations in sleep, especially at high latitudes, is less consistent. We used data from a geographic region (69º North) ... -
Sleep patterns among Norwegian nurses between the first and second wave of the COVID-19 pandemic
Waage, Siri; Pallesen, Ståle; Vedaa, Øystein; Buchvold, Hogne Vikanes; Blytt, Kjersti Marie; Harris, Anette; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2021)Background Nurses are in the frontline and play an important role in the battle against the COrona VIrus Disease-2019 (COVID-19) pandemic. Sleep problems among health care workers are likely to increase due to the ... -
Stability and Change of the Personality Traits Languidity and Flexibility in a Sample of Nurses: A 7–8 Years Follow-Up Study
Pallesen, Ståle; Thun, Eirunn; Waage, Siri; Vedaa, Øystein; Harris, Anette Kristoffersen; Blytt, Kjersti Marie; Kaur, Puneet; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2021)The traits languidity (tendency to become tired/sleepy upon losing sleep) and flexibility (ability to sleep and work at odd times) have been implicated in shift work tolerance. However, there is a dearth of knowledge about ... -
Study protocol: the Norwegian Triple-S Cohort Study - establishing a longitudinal health survey of children and adolescents with experiences of maltreatment
Schønning, Viktor; Dovran, Anders; Hysing, Mari; Hafstad, Gertrud Sofie; Stokke, Kristin; Aarø, Leif Edvard; Tobiassen, Stian; Jonassen, John Are Bjerge; Vedaa, Øystein; Sivertsen, Børge (Peer reviewed; Journal article, 2021)Background Child maltreatment is prevalent and associated with both short- and long-term health problems. Previous studies have established child maltreatment as a risk factor for a wide range of problems over the life ... -
The associations between low-level gaming, high-level gaming and problematic alcohol use
Erevik, Eilin K.; Torsheim, Torbjørn; Andreassen, Cecilie Schou; Krossbakken, Elfrid; Vedaa, Øystein; Pallesen, Ståle (Journal article; Peer reviewed, 2019)The current study aimed to investigate associations between gaming and different patterns of problematic alcohol use, controlling for important demographics, personality and mental health covariates. Data was collected by ... -
Tinder use and romantic relationship formations: A large-scale longitudinal sStudy
Erevik, Eilin K.; Kristensen, Joakim Hellumbråten; Torsheim, Torbjørn; Vedaa, Øystein; Pallesen, Ståle (Peer reviewed; Journal article, 2020)The current paper aims to investigate if Tinder use predicts romantic relationship formation 1 year later and to identify demographic, personality, mental health, and substance use covariates in the relationship between ...