Journal publications

• Scott, Janine Linda; Vedaa, Øystein; Sivertsen, Børge; Langsrud, Knut; Kallestad, Håvard. (2022) Using network intervention analysis to explore associations between participant expectations of and difficulties with cognitive behavioural therapy for insomnia and clinical outcome: A proof of principle study. Journal of Psychiatric Research. vol. 148.
• Bredeli, Einar Rørstad; Vestergaard, Cecilie Lund; Sivertsen, Børge; Kallestad, Håvard; Øverland, Simon Nygaard; Ritterbandt, Lee M.; Glozier, Nick; Pallesen, Ståle; Scott, Jan; Langsrud, Knut; Vedaa, Øystein. (2021) Intraindividual variability in sleep among people with insomnia and its relationship with sleep, health and lifestyle factors: an exploratory study. Sleep Medicine. vol. 89.
• Heglum, Hanne Siri Amdahl; Kallestad, Håvard; Vethe, Daniel; Langsrud, Knut; Sand, Trond; Engstrøm, Morten. (2021) Distinguishing sleep from wake with a radar sensor: A contact-free real-time sleep monitor. Sleep. vol. 44 (8).
• Kallestad, Håvard; Saksvik, Simen Berg; Vedaa, Øystein; Langsrud, Knut; Morken, Gunnar; Lydersen, Stian; Simpson, Melanie Rae; Dørheim, Signe Karen; Holmøy, Bjørn; Germans Selvik, Sara; Hagen, Kristen; Stiles, Tore C; Harvey, Allison G.; Ritterband, Lee M.; Sivertsen, Børge; Scott, Jan. (2021) Digital cognitive-behavioural therapy for insomnia compared with digital patient education about insomnia in individuals referred to secondary mental health services in Norway: Protocol for a multicentre randomised controlled trial. BMJ Open. vol. 11:e050661 (6).
• Kallestad, Håvard; Scott, Janine Linda; Vedaa, Øystein; Lydersen, Stian; Vethe, Daniel; Morken, Gunnar; Stiles, Tore C; Sivertsen, Børge; Langsrud, Knut. (2021) Mode of delivery of Cognitive Behavioral Therapy for Insomnia: a randomized controlled non-inferiority trial of digital and face-to-face therapy. Sleep. vol. 44 (12).
• Saksvik, Simen Berg; Smevik, Hanne; Stenberg, Jonas; Follestad, Turid; Vik, Anne; Håberg, Asta; Asarnow, Robert F.; Kallestad, Håvard; Skandsen, Toril; Olsen, Alexander. (2021) Poor sleep quality is associated with greater negative consequences for cognitive control function and psychological health after mild traumatic brain injury than after orthopedic injury. Neuropsychology. vol. 35 (7).
• Saksvik-Lehouillier, Ingvild; Langvik, Eva; Saksvik, Simen Berg; Kallestad, Håvard; Follesø, Hanna Størksen; Austad, Sigrun Borgen; Dahlberg, Berit Johanna; Ringen, Heidi; Tanum, Tiril Kristine; Sørengaard, Torhild Anita; Karlsen, Håvard Rudi; Smedbøl, Trine; Olsen, Alexander. (2021) High neuroticism is associated with reduced negative affect following sleep deprivation. Personality and Individual Differences. vol. 185 (111291).
• Scott, Jan; Kallestad, Håvard; Vedaa, Øystein; Sivertsen, Børge; Etain, Bruno. (2021) Sleep disturbances and first onset of major mental disorders in adolescence and early adulthood: A systematic review and meta-analysis. Sleep Medicine Reviews. vol. 57.
• Scott, Janine Linda; Langsrud, Knut; Goulding, Ingunn Rø; Kallestad, Håvard. (2021) Let there be blue-depleted light: In-patient dark therapy, circadian rhythms and length of stay. BJ Psych Advances. vol. 27 (2).
• Vestergaard, Cecilie Lund; Vedaa, Øystein; Simpson, Melanie Rae; Faaland, Patrick; Vethe, Daniel; Kjørstad, Kaia; Langsrud, Knut; Ritterband, Lee M; Sivertsen, Børge; Stiles, Tore C; Scott, Jan; Kallestad, Håvard. (2021) The effect of sleep-wake intraindividual variability in digital cognitive behavioral therapy for insomnia: a mediation analysis of a large-scale RCT. Sleep. vol. 44 (10).
• Drews, Henning Johannes; Scott, Janine Linda; Langsrud, Knut; Vethe, Daniel; Kallestad, Håvard. (2020) Chronobiologically informed inpatient milieu in psychiatric institutions. The Lancet Psychiatry. vol. 7 (12).
• 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.
• Osnes, Rannveig Storaune; Eberhard-Gran, Malin; Follestad, Turid; Kallestad, Håvard; Morken, Gunnar; Roaldset, John Olav. (2020) Mid-Pregnancy Insomnia and its Association with Perinatal Depressive Symptoms: A Prospective Cohort Study. Behavioral Sleep Medicine. vol. 19 (3).
• Osnes, Rannveig Storaune; Eberhard-Gran, Malin; Follestad, Turid; Kallestad, Håvard; Morken, Gunnar; Roaldset, John Olav. (2020) Mid-pregnancy insomnia is associated with concurrent and postpartum maternal anxiety and obsessive-compulsive symptoms: A prospective cohort study. Journal of Affective Disorders. vol. 266.
• Saksvik, Simen Berg; Karaliute, Migle; Kallestad, Håvard; Follestad, Turid; Asarnow, Robert F.; Vik, Anne; Håberg, Asta; Skandsen, Toril; Olsen, Alexander. (2020) The prevalence and stability of sleep-wake disturbance and fatigue throughout the first year after mild traumatic brain injury. Journal of Neurotrauma. vol. 37 (23).
• Saksvik-Lehouillier, Ingvild; Saksvik, Simen Berg; Dahlberg, Berit Johanna; Tanum, Tiril Kristine; Ringen, Heidi; Karlsen, Håvard Rudi; Smedbøl, Trine; Sørengaard, Torhild Anita; Stople, Mailen; Kallestad, Håvard; Olsen, Alexander. (2020) Mild to moderate partial sleep deprivation is associated with increased impulsivity and decreased positive affect in young adults. Sleep. vol. 43 (10).
• 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.
• Gottlieb, John F.; Benedetti, Francesco; Geoffroy, Pierre A.; Henriksen, Tone Elise Gjøtterud; Lam, Raymond W.; Murray, Greg; Phelps, James; Sit, Dorothy; Swartz, Holly A.; Crowe, Marie; Etain, Bruno; Frank, Ellen; Goel, Namni; Haarman, Bartholomeus C.M.; Inder, Maree; Kallestad, Håvard; Jae Kim, Seong; Martiny, Klaus; Meesters, Ybe; Porter, Richard; Riemersma-van der Lek, Rixt F.; Ritter, Philipp S; Schulte, Peter F.J.; Scott, Jan; Wu, Joseph C.; Yu, Xin; Chen, Shenghao. (2019) The chronotherapeutic treatment of bipolar disorders: A systematic review and practice recommendations from the ISBD task force on chronotherapy and chronobiology. Bipolar Disorders. vol. 21 (8).
• Kallestad, Håvard; Kjørstad, Kaia; Vethe, Daniel; Vestergaard, Cecilie Lund; Faaland, Patrick; Langsrud, Knut. (2019) Det nye sykehusbygget på Østmarka integrerer behandling, innovasjon og søvnforskning. SØVN. vol. 11 (1).
• Lane, Jacqueline M.; Jones, Samuel E.; Dashti, Hassan S.; Wood, Andrew R.; Aragam, Krishna G; van Hees, Vincent T.; Strand, Linn B; Winsvold, Bendik K S; Wang, Heming; Bowden, Jack; Song, Yanwei; Patel, Krunal; Anderson, Simon G.; Beaumont, Robin N.; Bechtold, David A.; Cade, Brian E.; Haas, Mary; Kathiresan, Sekar; Little, Max A.; Luik, Annemarie I.; Loudon, Andrew S.; Purcell, Shaun; Richmond, Rebecca C.; Scheer, Frank A.J.L.; Schormair, Barbara; Tyrrell, Jessica; Winkelman, John W.; Winkelmann, Juliane; Martinsen, Amy E.; Skogholt, Anne Heidi; Brumpton, Ben Michael; Sivertsen, Børge; Willer, Cristen J.; Bragantini, Daniela; Kallestad, Håvard; Janszky, Imre; Guzey, Ismail Cuneyt; Zwart, John-Anker; Nielsen, Jonas Bille; Nilsen, Kristian Bernhard; Hveem, Kristian; Fritsche, Lars; Pedersen, Linda Margareth; Gabrielsen, Maiken Elvestad; Johnsen, Marianne Bakke; Lie, Marie; Engstrøm, Morten; Sand, Trond; Zhou, Wei; Zhao, Chen; Redline, Susan; Spiegelhalder, Kai; Kyle, Simon D.; Ray, David W.; Frayling, Timothy M.; Lawlor, Deborah A.; Rutter, Martin K.; Weedon, Michael N.; Saxena, Richa. (2019) Biological and clinical insights from genetics of insomnia symptoms. Nature Genetics. vol. 51 (3).
• 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).
• 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. (2019) Short and long-term effects of unguided internet-based cognitive behavioral therapy for chronic insomnia in morning and evening persons: a post-hoc analysis. Chronobiology International. vol. 36 (10).
• Liu, Mengzhen; Jiang, Yu; Wedow, Robbee; Li, Yue; Brazel, David M.; Chen, Fang; Datta, Gargi; Davila-Velderrain, Jose; Mitchell, Amy; Skogholt, Anne Heidi; Sivertsen, Børge; Stordal, Eystein; Morken, Gunnar; Kallestad, Håvard; Heuch, Ingrid; Zwart, John-Anker; Fjukstad, Katrine Kveli; Pedersen, Linda Margareth; Johnsen, Marianne Bakke; Skrove, Marit Synnøve; Indredavik, Marit Sæbø; Drange, Ole Kristian; Bjerkeset, Ottar; Børte, Sigrid; Stensland, Synne; Choquet, Hélène; Docherty, Anna R.; Faul, Jessica D.; Foerster, Johanna R.; Fritsche, Lars; Gabrielsen, Maiken Elvestad; Gordon, Scott D.; Haessler, Jeffrey; Hottenga, Jouke-Jan; Huang, Hongyan; Jang, Seon-Kyeong; Jansen, Philip R.; Ling, Yueh; Mägi, Reedik; Matoba, Nana; McMahon, George; Mulas, Antonella; Orrú, Valeria; Palviainen, Teemu; Pandit, Anita; Reginsson, Gunnar W.; Smith, Jennifer A.; Taylor, Amy E.; Turman, Constance; Willemsen, Gonneke; Young, Hannah; Young, Kendra A.; Zajac, Gregory J.M.; Zhao, Wei; Zhou, Wei; Björnsdóttir, Gyda Thora; Boardman, Jason D.; Boehnke, Michael; Boomsma, Dorret I.; Chen, Chu; Davies, Gareth E.; Eaton, Charles B.; Winsvold, Bendik K S; Hveem, Kristian; Vrieze, Scott. (2019) Association studies of up to 1.2 million individuals yield new insights into the genetic etiology of tobacco and alcohol use. Nature Genetics. vol. 51 (2).
• Scott, Janine Linda; Grierson, Ashlee; Lillian, Gehue; Kallestad, Håvard; MacMillan, Iain; Hickie, Ian. (2019) Can consumer grade activity devices replace research grade actiwatches in youth mental health settings?. Sleep and Biological Rhythms. vol. 17 (2).
• 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.
• Vedaa, Øystein; Hagatun, Susanne; Kallestad, Håvard; Pallesen, Ståle; Smith, Otto Robert Frans; Thorndike, Frances P; Ritterband, Lee M.; Sivertsen, Børge. (2019) Long-Term Effects of an Unguided Online Cognitive Behavioral Therapy for Chronic Insomnia. Journal of Clinical Sleep Medicine (JCSM). vol. 15 (1).
• 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.
• 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. (2018) Overcoming insomnia: Protocol for a large-scale randomised controlled trial of online cognitive behaviour therapy for insomnia compared with online patient education about sleep. BMJ Open. vol. 8:e25152 (8).
• 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.
• Vethe, Daniel; Kallestad, Håvard; Jacobsen, Henrik Børsting; Landrø, Nils Inge; Borchgrevink, Petter Chr.; Stiles, Tore C. (2018) The relationship between improvement in insomnia severity and long-term outcomes in the treatment of chronic fatigue. Frontiers in Psychology. vol. 9:1764.
• Jacobsen, Henrik Børsting; Kallestad, Håvard; Landrø, Nils Inge; Borchgrevink, Petter Chr.; Stiles, Tore Charles. (2017) Processes in acceptance and commitment therapy and the rehabilitation of chronic fatigue. Scandinavian Journal of Psychology. vol. 58 (3).
• Kallestad, Håvard; Wullum, Elin; Scott, Janine Linda; Stiles, Tore Charles; Morken, Gunnar. (2016) The long-term outcomes of an effectiveness trial of group versus individual psychoeducation for bipolar disorders. Journal of Affective Disorders. vol. 202.
• 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.
• Kallestad, Håvard; Jacobsen, Henrik Børsting; Landrø, Nils Inge; Borchgrevink, Petter Chr.; Stiles, Tore C. (2015) The role of insomnia in the treatment of chronic fatigue. Journal of Psychosomatic Research. vol. 78 (5).
• 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).
• 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; Valen, Jakob; McCullough, Leigh; Svartberg, Martin; Høglend, Per Andreas; Stiles, Tore C. (2010) The relationship between insight gained during therapy and long-term outcome in short-term dynamic psychotherapy and cognitive therapy for cluster C personality disorders. Psychotherapy Research. vol. 20 (5).
• Kallestad, Håvard; Langsrud, Knut; Hansen, Bjarne. (2007) Søvndeprivasjon som antidepressiv behandling. Tidsskrift for Den norske legeforening. vol. 127 (10).