Blar i Department of Psychosocial Science på forfatter "Grønli, Janne"
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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 ... -
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 ... -
Bright light exposure during simulated night work improves cognitive flexibility
Sunde, Erlend; Mrdalj, Jelena; Pedersen, Torhild Thue; Bjorvatn, Bjørn; Grønli, Janne; Harris, Anette Kristoffersen; Waage, Siri; Pallesen, Ståle (Journal article; Peer reviewed, 2022)Night work leads to sleepiness and reduced vigilant attention during work hours, and bright light interventions may reduce such effects. It is also known that total sleep deprivation impairs cognitive flexibility as measured ... -
The Effects of Pharmacological Treatment of Nightmares: A Systematic Literature Review and Meta-Analysis of Placebo-Controlled, Randomized Clinical Trials
Skeie-Larsen, Mathilda; Stave, Rebekka; Grønli, Janne; Bjorvatn, Bjørn; Wilhelmsen-Langeland, Ane; Zandi, Amin; Pallesen, Ståle (Journal article; Peer reviewed, 2023)Nightmares are highly prevalent and distressing for the sufferer, which underlines the need for well-documented treatments. A comprehensive literature review and meta-analysis of the effects of different pharmacological ... -
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 ... -
Longitudinal Relationships between Perceived Social Support and Symptom Outcomes: Findings from a sample of Adult Survivors of Childhood Sexual Abuse
Steine, Iris Mulders; Winje, Dagfinn; Krystal, John H.; Milde, Anne Marita; Bjorvatn, Bjørn; Nordhus, Inger Hilde; Grønli, Janne; Pallesen, Ståle (Journal article; Peer reviewed, 2020)Cross-sectional studies have consistently reported an inverse association between perceived social support and the severity of mental health symptoms among adult survivors of childhood sexual abuse (CSA). However, there ... -
A pilot study of impulse radio ultra wideband radar technology as a new tool for sleep assessment
Pallesen, Ståle; Grønli, Janne; Myhre, Kenneth; Moen, Frode; Bjorvatn, Bjørn; Hanssen, Ingar; Heglum, Hanne Siri Amdahl (Peer reviewed; Journal article, 2018)Study Objectives To validate Impulse radio ultra wideband pulse-doppler radar technology against polysomnography (PSG) for sleep assessment. Methods In all, 12 participants were recruited and their overnight sleep was ... -
Predictors and correlates of lifetime and persistent non-suicidal self-injury and suicide attempts among adult survivors of childhood sexual abuse
Steine, Iris Mulders; Nielsen, Brittany; Porter, Patricia A.; Krystal, John H.; Winje, Dagfinn; Grønli, Janne; Milde, Anne Marita; Bjorvatn, Bjørn; Nordhus, Inger Hilde; Pallesen, Ståle (Journal article; Peer reviewed, 2020)Background: Childhood sexual abuse (CSA) is a well-established risk factor for non-suicidal self-injury (NSSI) and suicide attempts (SA); still few studies have examined predictors of individual differences in NSSI/SA ... -
A randomized controlled trial on the effect of blue-blocking glasses compared to partial blue-blockers on melatonin profile among nulliparous women in third trimester of the pregnancy
Liset, Randi; Grønli, Janne; Henriksen, Roger Ekeberg; Gjøtterud Henriksen, Tone Elise; Nilsen, Roy Miodini; Pallesen, Ståle (Journal article; Peer reviewed, 2022)Objective In pregnancy melatonin regulates circadian rhythms, induce sleep, and has a neuroprotective positive effect on fetal development. Artificial blue light in the evening delays and suppresses melatonin production. ... -
A randomized controlled trial on the effects of blue-blocking glasses compared to partial blue-blockers on sleep outcomes in the third trimester of pregnancy
Liset, Randi; Grønli, Janne; Henriksen, Roger Ekeberg; Henriksen, Tone Elise Gjøtterud; Nilsen, Roy Miodini; Pallesen, Ståle (Journal article; Peer reviewed, 2022)Objective Sleep disturbances are common in pregnancy. Blocking blue light has been shown to improve sleep and may be a suitable intervention for sleep problems during pregnancy. The present study investigated the effects ... -
Shift Work Disorder in Nurses – Assessment, Prevalence and Related Health Problems
Flo, Elisabeth; Pallesen, Ståle; Magerøy, Nils; Moen, Bente E.; Grønli, Janne; Nordhus, Inger Hilde; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2012-04-02)Background: This study investigates the prevalence of symptoms of shift work disorder in a sample of nurses, and its association to individual, health and work variables. Methodology/Principal Findings: We investigated ... -
Sleep, evening light exposure and perceived stress in healthy nulliparous women in the third trimester of pregnancy
Liset, Randi; Grønli, Janne; Henriksen, Roger Ekeberg; Henriksen, Tone Elise Gjøtterud; Nilsen, Roy Miodini; Pallesen, Ståle (Journal article; Peer reviewed, 2021)Objective Sleep disturbances are common in pregnancy, and the prevalence increases during the third trimester. The aim of the present study was to assess sleep patterns, sleep behavior and prevalence of insomnia in pregnant ...