Journal publications

• Filosa, James; Omland, Petter Moe; Langsrud, Knut; Hagen, Knut; Engstrøm, Morten; Drange, Ole Kristian; Knutsen, Andreas; Brenner, Eiliv; Kallestad, Håvard; Sand, Trond. (2020) Validation of insomnia questionnaires in the general population: The Nord-Trøndelag Health Study (HUNT). Journal of Sleep Research.
• Kjørstad, Kaia; Sivertsen, Børge; Vedaa, Øystein; Langsrud, Knut; Faaland, Patrick; Vethe, Daniel; Vestergaard, Cecilie Lund; Scott, Janine Linda; Kallestad, Håvard. (2020) The Effect of Reducing Insomnia Severity on Work- and Activity-Related Impairment. Behavioral Sleep Medicine.
• Vedaa, Øystein; Kallestad, Håvard; Scott, Janine Linda; Smith, Otto Robert Frans; Pallesen, Ståle; Morken, Gunnar; Langsrud, Knut; Gehrman, Philip; Thorndike, Frances P.; Ritterband, Lee M.; Harvey, Allison G.; Stiles, Tore C; Sivertsen, Børge. (2020) Effects of digital cognitive behavioural therapy for insomnia on insomnia severity: a large-scale randomised controlled trial. The Lancet Digital Health. vol. 2 (8).
• Vethe, Daniel; Scott, Janine Linda; Engstrøm, Morten; Salvesen, Øyvind; Sand, Trond; Olsen, Alexander; Morken, Gunnar; Heglum, Hanne Siri Amdahl; Kjørstad, Kaia; Faaland, Patrick; Vestergaard, Cecilie Lund; Langsrud, Knut; Kallestad, Håvard. (2020) The evening light environment in hospitals can be designed to produce less disruptive effects on the circadian system and improve sleep. Sleep.
• Langsrud, Knut; Vaaler, Arne; Morken, Gunnar; Kallestad, Håvard; Almvik, Roger; Palmstierna, Tom Krisman Kule; Guzey, Ismail Cuneyt. (2019) The predictive properties of violence risk instruments may increase by adding items assessing sleep. Frontiers in Psychiatry. vol. 10:323 (MAY).
• Scott, Janine Linda; Langsrud, Knut; Vethe, Daniel; Kjørstad, Kaia; Vestergaard, Cecilie Lund; Faaland, Patrick; Lydersen, Stian; Vaaler, Arne; Morken, Gunnar; Torgersen, Terje; Kallestad, Håvard. (2019) A pragmatic effectiveness randomized controlled trial of the duration of psychiatric hospitalization in a trans- diagnostic sample of patients with acute mental illness admitted to a ward with either blue-depleted evening lighting or normal lighting conditions. Trials. vol. 20:472.
• Kallestad, Håvard; Langsrud, Knut; Vedaa, Øystein; Stiles, Tore C; Vethe, Daniel; Lydersen, Stian; Ritterband, Lee; Morken, Gunnar; Sivertsen, Børge. (2018) A randomized noninferiority trial comparing Cognitive Behavior Therapy for Insomnia (CBT-I) delivered by a therapist or via a fully automated online treatment program. Sleep.
• Langsrud, Knut; Kallestad, Håvard; Vaaler, Arne; Almvik, Roger; Palmstierna, Tom Krisman Kule; Morken, Gunnar. (2018) Sleep at night and association to aggressive behaviour; Patients in a psychiatric intensive care unit. Psychiatry Research. vol. 263.
• Solheim, Brandy; Langsrud, Knut; Kallestad, Håvard; Engstrøm, Morten; Bjorvatn, Bjørn; Sand, Trond. (2018) Sleep structure and awakening threshold in delayed sleep-wake phase disorder patients compared to healthy sleepers. Sleep Medicine. vol. 46.
• Solheim, Brandy; Olsen, Alexander; Kallestad, Håvard; Langsrud, Knut; Bjorvatn, Bjørn; Gradisar, Michael; Sand, Trond. (2018) Cognitive performance in DSWPD patients upon awakening from habitual sleep compared with forced conventional sleep. Journal of Sleep Research.
• Krane-Gartiser, Karoline; Steinan, Mette Kvisten; Langsrud, Knut; Vestvik, Vegard; Sand, Trond; Fasmer, Ole Bernt; Kallestad, Håvard; Morken, Gunnar. (2016) Mood and motor activity in euthymic bipolar disorder with sleep disturbance. Journal of Affective Disorders. vol. 202.
• Langsrud, Knut; Vaaler, Arne Einar; Kallestad, Håvard; Morken, Gunnar. (2016) Sleep patterns as a predictor for length of stay in a psychiatric intensive care unit. Psychiatry Research. vol. 237.
• Solheim, Brandy; Langsrud, Knut; Kallestad, Håvard; Olsen, Alexander; Bjorvatn, Bjørn; Sand, Trond. (2014) Difficult morning awakening from rapid eye movement sleep and impaired cognitive function in delayed sleep phase disorder patients. Sleep Medicine. vol. 15 (10).
• Steinan, Mette Kvisten; Krane-Gartiser, Karoline; Langsrud, Knut; Sand, Trond; Kallestad, Håvard; Morken, Gunnar. (2014) Cognitive behavioral therapy for insomnia in euthymic bipolar disorder: study protocol for a randomized controlled trial. Trials. vol. 15 (24).
• Krane-Gartiser, Karoline; Steinan, Mette Kvisten; Langsrud, Knut; Sand, Trond; Kallestad, Håvard; Morken, Gunnar. (2013) Sleep architecture in euthymic bipolar disorder and comorbid insomnia. Bipolar Disorders. vol. 15.
• Steinan, Mette Kvisten; Krane-Gartiser, Karoline; Langsrud, Knut; Sand, Trond; Kallestad, Håvard; Morken, Gunnar. (2013) Cognitive behavioral theapy for insomnia in euthymic bipolar disorder: a randomized controlled trial. Bipolar Disorders. vol. 15.
• Kallestad, Håvard; Hansen, Bjarne; Langsrud, Knut; Ruud, Torleif; Morken, Gunnar; Stiles, Tore C; Gråwe, Rolf W.. (2012) Impact of sleep disturbance on patients in treatment for mental disorders. BMC Psychiatry. vol. 12 (179).
• Kallestad, Håvard; Hansen, Bjarne; Langsrud, Knut; Ruud, Torleif; Morken, Gunnar; Stiles, Tore C; Gråwe, Rolf W.. (2011) Differences between patients’ and clinicians’ report of sleep disturbance: a field study in mental health care in Norway. BMC Psychiatry. vol. 11.
• Kallestad, Håvard; Hansen, Bjarne; Langsrud, Knut; Hjemdal, Odin; Stiles, Tore C. (2010) Psychometric properties and the predictive validity of the Insomnia Daytime Worry Scale: A pilot study. Cognitive Behaviour Therapy. vol. 39 (2).
• Kallestad, Håvard; Langsrud, Knut; Hansen, Bjarne. (2007) Søvndeprivasjon som antidepressiv behandling. Tidsskrift for Den norske legeforening. vol. 127 (10).