Browsing Bergen Open Research Archive by Author "Saxvig, Ingvild W."
Now showing items 1-13 of 13
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The association between different sleep health dimensions and sex, age, education, circadian preference, and chronic insomnia: a representative population-based study
Bjorvatn, Bjørn; Waage, Siri; Pallesen, Ståle; Buysse, Daniel J.; Saxvig, Ingvild W. (Journal article; Peer reviewed, 2023)Objectives The aims were to explore multidimensional sleep health and the different dimensions of sleep health in the adult Norwegian population in relation to sex, age, education, circadian preference, and chronic ... -
Association of Excessive Sleepiness, Pathological Fatigue, Depression, and Anxiety With Different Severity Levels of Obstructive Sleep Apnea
Mjelle, Karin Elisabeth Sundt; Lehmann, Sverre; Saxvig, Ingvild W.; Gulati, Shashi; Bjorvatn, Bjørn (Journal article; Peer reviewed, 2022-03-31)Objective: The aim of this study was to investigate possible associations between obstructive sleep apnea and fatigue. This naturally led to considering the association between OSA and excessive sleepiness, depression, and ... -
Circadian preference in young adults: Associations with sleep and mental health outcomes from a national survey of Norwegian university students
Kjørstad, Kaia; Vedaa, Øystein; Pallesen, Ståle; Saxvig, Ingvild W.; Hysing, Mari; Sivertsen, Børge (Journal article; Peer reviewed, 2022)Individual preferred timing of sleep and activity patterns, known as circadian preference, ranges from definitely morning types to definitely evening types. Being an evening type has been linked to adverse sleep and mental ... -
Clinical information predicting severe obstructive sleep apnea: A cross-sectional study of patients waiting for sleep diagnostics
Jonassen, Trygve Müller; Bjorvatn, Bjørn; Saxvig, Ingvild W.; Eagan, Tomas Mikal Lind; Lehmann, Sverre (Journal article; Peer reviewed, 2022)Introduction Obstructive sleep apnea (OSA) is highly prevalent with serious health consequences. Demand for diagnostic studies is high, in many countries exceeding capacity. Purpose The objective of this cross-sectional ... -
Do people use methods or tricks to fall asleep? A comparison between people with and without chronic insomnia
Bjorvatn, Bjørn; Waage, Siri; Saxvig, Ingvild W. (Journal article; Peer reviewed, 2022)The present study estimated the frequency of using methods or tricks to fall asleep in the general Norwegian population. Further, people with chronic insomnia were compared with people without chronic insomnia. A representative ... -
Effect of Continuous Positive Airway Pressure on Symptoms and Prevalence of Insomnia in Patients With Obstructive Sleep Apnea: A Longitudinal Study
Lundetræ, Ragnhild Stokke; Saxvig, Ingvild W.; Aurlien, Harald; Lehmann, Sverre; Bjorvatn, Bjørn (Journal article; Peer reviewed, 2021)Objective: Obstructive sleep apnea (OSA) and insomnia are the two most common sleep disorders. Continuous positive airway pressure (CPAP) is considered first-line treatment for OSA. In the present study, we assess the ... -
Effect of continuous positive airway pressure on symptoms of anxiety and depression in patients with obstructive sleep apnea
Lundetræ, Ragnhild Stokke; Saxvig, Ingvild W.; Lehmann, Sverre; Bjorvatn, Bjørn (Journal article; Peer reviewed, 2020)Purpose The objective was to assess the effect of continuous positive airway pressure (CPAP) on symptoms of anxiety and depression in patients with obstructive sleep apnea (OSA). We hypothesized a decrease in symptoms at ... -
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 ... -
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 ... -
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 (Peer reviewed; Journal article, 2019-02)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 ... -
Prevalence of parasomnias in patients with obstructive sleep apnea. A registry-based cross-sectional study
Lundetræ, Ragnhild S.; Saxvig, Ingvild W.; Pallesen, Ståle; Aurlien, Harald; Lehmann, Sverre; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2018-07-05)Objective: To assess the prevalence of parasomnias in relation to presence and severity of obstructive sleep apnea (OSA). We hypothesized higher parasomnia prevalence with higher OSA severity. Methods: The sample comprised ... -
Sleep in older adolescents. Results from a large cross-sectional, population-based study
Saxvig, Ingvild W.; Bjorvatn, Bjørn; Hysing, Mari; Sivertsen, Børge; Gradisar, Michael; Pallesen, Ståle (Journal article; Peer reviewed, 2021)The aim of the present study was to describe sleep patterns in a large and representative sample of Norwegian adolescents. The sample included 4,010 first-year high school students, aged 16–17 years (54% female), who ... -
Validation of peripheral arterial tonometry as tool for sleep assessment in chronic obstructive pulmonary disease
Holmedahl, Nils Henrik; Fjeldstad, Odd-Magne; Engan, Harald; Saxvig, Ingvild W.; Grønli, Janne (Peer reviewed; Journal article, 2019-12-18)Obstructive sleep apnea (OSA) worsens outcomes in Chronic Obstructive Pulmonary Disease (COPD), and reduced sleep quality is common in these patients. Thus, objective sleep monitoring is needed, but polysomnography (PSG) ...