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Annika Norell

Position: Senior Lecturer School/office: School of Behavioural, Social and Legal Sciences

Email: YW5uaWthLm5vcmVsbDtvcnUuc2U=

Phone: +46 19 302265

Room: L2630

Research subject

Psychology

Research environments

Center for Health and Medical Psychology (CHAMP)

About Annika Norell

Sleep researcher Annika Norell is an associate professor and licensed psychologist, who works as a lecturer in psychology. Her research has mainly focused on children's and young people's sleep habits, new non-pharmacological treatments for the sleep disorder insomnia, and how unhelpful thinking styles can contribute to mental health issues. Annika earned her PhD in 2014 and became an associate professor in 2021, after post doc and teaching positions at Karlstad University and Kristianstad University.

Annika is also on the editorial board of Sleep & Health, an open access popular science magazine about sleep aimed at professionals who work with people who experience sleep problems.

(Photo by Martin Hansson)

Active projects

Completed projects

Cognitive behavioral therapy for insomnia and depression: A randomized, controlled trial

Research groups

Publications

Articles in journals

Sancho-Domingo, C. , Garmy, P. & Norell, A. (2026). Patterns of Caffeine Use in Adolescents and Their Association with Sleep Quality: A Latent Class Analysis. Journal on Addictions Nursing, 37 (2), 119-126. [BibTeX]
Westergren, A. , Bergman, A. , Knaust Lidén, S. , Nahlén Bose, C. , Nivestam, A. , Norell, A. , Nilsson Lindström, P. & Haak, M. (2026). Play and Supportive Environments Among Older Adults in the Context of Swedish Municipal Care: Protocol for the Development and Psychometric Evaluation of an Instrument to Measure Playfulness. JMIR Research Protocols, 15. [BibTeX]
Westergren, A. , Hedin, G. , Hagell, P. , Bäccman, C. & Norell, A. (2025). A Rasch model based psychometric evaluation of different versions of the Minimal Insomnia Symptom Scale (MISS) among adults. Sleep Science and Practice (SSP), 9 (1). [BibTeX]
Eken, J. , Nordin, I. & Norell, A. (2025). En psykometrisk utvärdering av frågeformuläret Insomnia Severity Index (ISI) hos svenska tonåringar. Sömn och Hälsa (13), 17-45. [BibTeX]
Salim, O. , Bauducco, S. , Norell, A. & Callesen, P. (2025). Metacognitive therapy for insomnia: An open cohort study on clinical outcomes and the role of cognitive-attentional syndrome factors in insomnia. Sleep Medicine: X, 10. [BibTeX]
Isaksson, S. , Henriksson, V. , Salim, O. , Bäccman, C. & Norell, A. (2025). Same scale, different names? An assessment of the psychometric properties of three established scales that measure cognitive processes in insomnia, and the introduction of the sleep worry 7 questionnaire. Sleep Medicine, 133. [BibTeX]
Störe, S. J. , Milutinovic, E. , Landén, F. S. & Norell, A. (2025). Sleepless in cyberspace: A thematic analysis of online sleep recommendations for insomnia symptoms. Sleep Health, 11 (5). [BibTeX]
Wurm, M. , Högström, J. , Tillfors, M. , Lindståhl, M. & Norell, A. (2024). An exploratory study of stressors, mental health, insomnia, and pain in cisgender girls, cisgender boys, and transgender and gender diverse (TGD) youth. Scandinavian Journal of Psychology, 65 (5), 884-892. [BibTeX]
Sancho-Domingo, C. , Garmy, P. & Norell, A. (2024). Nighttime Texting on Social Media, Sleep Parameters, and Adolescent Sadness: A Mediation Analysis. Behavioural Sleep Medicine, 22 (4), 488-498. [BibTeX]
Salim, O. , Jansson-Fröjmark, M. , Sandlund, C. & Norell, A. (2024). Paradoxical intention as a treatment for insomnia disorder: study protocol for a mixed-methods pilot trial. BMJ Open, 14 (10). [BibTeX]
Støre, S. J. , Tillfors, M. , Angelhoff, C. & Norell-Clarke, A. (2023). A robot intervention for adults with ADHD and insomnia-A mixed-method proof-of-concept study. PLOS ONE, 18 (9). [BibTeX]
Sandlund, C. , Westman, J. & Norell-Clarke, A. (2023). Characteristics of Patients with Subjective Sleep Problems after Cognitive Behavioral Therapy for Insomnia: Secondary Analyses of a Randomized Controlled Trial. Sleep Science, 16 (4), e417-e424. [BibTeX]
Johles, L. , Norell, A. , Lundqvist, C. , Jansson-Fröjmark, M. & Mehlig, K. (2023). Is a Brief Body Scan Helpful for Adolescent Athletes' Sleep Problems and Anxiety Symptoms?. Mindfulness, 14 (6), 1522-1530. [BibTeX]
Garmy, P. , Norell-Clarke, A. & Sandlund, C. (2023). Limiting recreational screen media use increases physical activity among children but not their parents. Evidence-Based Nursing, 26 (2), 57-57. [BibTeX]
Støre, S. J. , Tillfors, M. , Wästlund, E. , Angelhoff, C. , Andersson, G. & Norell-Clarke, A. (2023). Mind, Body and Machine: Preliminary Study to Explore Predictors of Treatment Response After a Sleep Robot Intervention for Adults with Insomnia. Nature and Science of Sleep, 15, 567-577. [BibTeX]
Jakobsson Støre, S. , Norell-Clarke, A. & Jakobsson, N. (2023). Sleep researchers’ rankings of sleep journals. Journal of Sleep Research, 32 (3). [BibTeX]
Wallsten, D. , Norell-Clarke, A. , Anniko, M. , Eriksson, O. , Lamourín, V. , Halldin, I. , Kindbom, T. , Hesser, H. & et al. (2023). Treatment of worry and comorbid symptoms within depression, anxiety, and insomnia with a group-based rumination-focused cognitive-behaviour therapy in a primary health care setting: a randomised controlled trial. Frontiers in Psychology, 14. [BibTeX]
Norell-Clarke, A. , Jonsson, K. , Blomquist, A. , Ahlzén, R. & Kjellgren, A. (2022). A study of flotation-REST (restricted environmental stimulation therapy) as an insomnia treatment. Sleep Science, 15 (Suppl. 2), 361-368. [BibTeX]
Hedin, G. , Norell-Clarke, A. , Tønnesen, H. , Westergren, A. & Garmy, P. (2022). Contributory Factors for Teen Insomnia Symptoms: A Prospective Cohort Study in Sweden. Frontiers in Neuroscience, 16. [BibTeX]
Hedin, G. , Garmy, P. , Norell-Clarke, A. , Tønnesen, H. , Hagell, P. & Westergren, A. (2022). Measurement properties of the minimal insomnia symptom scale (MISS) in adolescents. Sleep Science and Practice (SSP) (6). [BibTeX]
Jakobsson Støre, S. , Tillfors, M. , Wästlund, E. , Angelhoff, C. , Andersson, G. & Norell-Clarke, A. (2022). The effects of a sleep robot intervention on sleep, depression and anxiety in adults with insomnia: A randomized waitlist-controlled trial. Journal of Sleep Research. [BibTeX]
Johansson, M. , Jansson-Fröjmark, M. , Norell-Clarke, A. & Linton, S. J. (2021). Changes in insomnia as a risk factor for the incidence and persistence of anxiety and depression: a longitudinal community study. Sleep science and practice (5). [BibTeX]
Turunen, J. , Norell-Clarke, A. & Hagquist, C. (2021). How do children and adolescents of separated parents sleep? An investigation of custody arrangements, sleep habits, sleep problems, and sleep duration in Sweden. Sleep Health, 7 (6), 716-722. [BibTeX]
Norell-Clarke, A. , Hagström, M. & Jansson-Fröjmark, M. (2021). Sleep-Related Cognitive Processes and the Incidence of Insomnia Over Time: Does Anxiety and Depression Impact the Relationship?. Frontiers in Psychology, 12. [BibTeX]
Jakobsson Støre, S. , Tillfors, M. , Wästlund, E. , Angelhoff, C. , Andersson, G. & Norell-Clarke, A. (2021). The effects of a sleep robot intervention on sleep, depression and anxiety in adults with insomnia: Study protocol of a randomized waitlist-controlled trial. Contemporary Clinical Trials, 110. [BibTeX]
Wallsten, D. , Norell-Clarke, A. , Alfonsson, S. , Gryphon, D. , Eriksson, H. & Tillfors, M. (2021). Treating co-morbid insomnia and social anxiety disorder with sequential CBT protocols: a single-case experimental study. Behavioural and Cognitive Psychotherapy, 49 (6), 641-657. [BibTeX]
Lundgren, J. , Norell-Clarke, A. , Hellström, I. & Angelhoff, C. (2020). Adolescents’ Experiences of Staying Overnight at Family-Centered Pediatric Wards. Sage Open Nursing, 6. [BibTeX]
Hedin, G. , Norell-Clarke, A. , Hagell, P. , Tønnesen, H. , Westergren, A. & Garmy, P. (2020). Facilitators and Barriers for a Good Night’s Sleep Among Adolescents. Frontiers in Neuroscience, 14. [BibTeX]
Hedin, G. , Norell-Clarke, A. , Hagell, P. , Tønnesen, H. , Westergren, A. & Garmy, P. (2020). Insomnia in Relation to Academic Performance, Self-Reported Health, Physical Activity, and Substance Use Among Adolescents. International Journal of Environmental Research and Public Health, 17 (17). [BibTeX]
Norell-Clarke, A. & Hagquist, C. (2018). Child and adolescent sleep duration recommendations in relation to psychological and somatic complaints based on data between 1985 and 2013 from 11 to 15 year‐olds. Journal of Adolescence, 68, 12-21. [BibTeX]
Norell-Clarke, A. , Tillfors, M. , Jansson-Fröjmark, M. , Holländare, F. & Engström, I. (2018). Does Mid-Treatment Insomnia Severity Mediate between Cognitive Behavioural Therapy for Insomnia and Post-Treatment Depression? An Investigation in a Sample with Comorbid Insomnia and Depressive Symptomatology. Behavioural and Cognitive Psychotherapy, 46 (6), 726-737. [BibTeX]
Norell-Clarke, A. & Hagquist, C. (2017). Changes in sleep habits between 1985 and 2013 among children and adolescents in Sweden. Scandinavian Journal of Public Health, 45 (8), 869-877. [BibTeX]
Norell-Clarke, A. , Tillfors, M. , Jansson-Fröjmark, M. , Holländare, F. & Engström, I. (2017). How does cognitive behavioral therapy for insomnia work?: An investigation of cognitive processes and time in bed as outcomes and mediators in a sample with insomnia and depressive symptomatology. International Journal of Cognitive Therapy, 10 (4), 304-329. [BibTeX]
Danielsson, N. S. , Norell-Clarke, A. & Hagquist, C. (2016). Associations between adolescent sleep disturbance and different worry themes: findings from a repeated cross-sectional study from 1988 to 2011. Sleep Health, 2 (3), 194-197. [BibTeX]
Jansson-Fröjmark, M. & Norell-Clarke, A. (2016). Cognitive Behavioural Therapy for Insomnia in Psychiatric Disorders. Current Sleep Medicine Reports, 2 (4), 233-240. [BibTeX]
Norell-Clarke, A. & Hagquist, C. (2016). Psychosomatic problems in relation to alcohol use and physical exercise: a study between 1988 and 2011 among adolescents in Sweden. Journal of Public Health, 24 (4), 325-333. [BibTeX]
Jansson-Fröjmark, M. , Norell-Clarke, A. & Linton, S. J. (2016). The role of emotion dysregulation in insomnia: Longitudinal findings from a large community sample. British Journal of Health Psychology, 21 (1), 93-113. [BibTeX]
Johansson, M. , Jansson-Fröjmark, M. , Norell-Clarke, A. & Linton, S. J. (2016). The role of psychiatric and somatic conditions in incidence and persistence of insomnia: A longitudinal, community study. Sleep Health, 2 (3), 229-238. [BibTeX]
Norell-Clarke, A. , Jansson-Fröjmark, M. , Tillfors, M. , Holländare, F. & Engström, I. (2015). Group cognitive behavioural therapy for insomnia: Effects on sleep and depressive symptomatology in a sample with comorbidity. Behaviour Research and Therapy, 74, 80-93. [BibTeX]
Norell-Clarke, A. , Jansson-Fröjmark, M. , Tillfors, M. , Harvey, A. G. & Linton, S. J. (2014). Cognitive processes and their association with persistence and remission of insomnia: Findings from a longitudinal study in the general population. Behaviour Research and Therapy, 54, 38-48. [BibTeX]
Jansson-Fröjmark, M. , Harvey, A. G. , Norell-Clarke, A. & Linton, S. J. (2012). Associations between psychological factors and nighttime/daytime symptomatology in insomnia. Cognitive Behaviour Therapy, 41 (4), 273-287. [BibTeX]
Jansson-Fröjmark, M. , Linton, S. J. , Flink, I. K. , Granberg, S. , Danermark, B. & Norell-Clarke, A. (2012). Cognitive-behavioral therapy for insomnia co-morbid with hearing impairment: a randomized controlled trial. Journal of clinical psychology in medical settings, 19 (2), 224-234. [BibTeX]
Jansson-Fröjmark, M. & Norell-Clarke, A. (2012). Psychometric properties of the Pre-Sleep Arousal Scale in a large community sample. Journal of Psychosomatic Research, 72 (2), 103-110. [BibTeX]
Jansson-Fröjmark, M. , Harvey, A. G. , Lundh, L. , Norell-Clarke, A. & Linton, S. J. (2011). Psychometric properties of an insomnia-specific measure of worry: the anxiety and preoccupation about sleep questionnaire. Cognitive Behaviour Therapy, 40 (1), 65-76. [BibTeX]
Norell Clarke, A. , Nyander, E. & Jansson-Fröjmark, M. (2011). Sleepless in Sweden: a single subject study of effects of cognitive therapy for insomnia on three adolescents. Behavioural and Cognitive Psychotherapy, 39, 367-374. [BibTeX]

Articles, reviews/surveys

Jansson-Fröjmark, M. , Nordenstam, L. , Alfonsson, S. , Bohman, B. , Rozental, A. & Norell-Clarke, A. (2024). Stimulus control for insomnia: A systematic review and meta-analysis. Journal of Sleep Research, 33 (1). [BibTeX]
Jansson-Fröjmark, M. , Sandlund, C. & Norell-Clarke, A. (2023). Paradoxic Intention as an Adjunct Treatment to Cognitive Behavioral Therapy for Insomnia. Sleep Medicine Clinics, 18 (1), 9-19. [BibTeX]
Janson-Fröjmark, M. , Alfonsson, S. , Bohman, B. , Rozental, A. & Norell-Clarke, A. (2022). Paradoxical intention for insomnia: A systematic review and meta-analysis. Journal of Sleep Research, 31 (2). [BibTeX]
Kjellgren, A. , Norell-Clarke, A. , Jonsson, K. & Tillfors, M. (2020). Does flotation-rest (restricted environmental stimulation technique) have an effect on sleep?. European Journal of Integrative Medicine, 33. [BibTeX]
Jansson-Fröjmark, M. & Norell-Clarke, A. (2018). The cognitive treatment components and therapies of cognitive behavioral therapy for insomnia: A systematic review. Sleep Medicine Reviews, 42, 19-36. [BibTeX]

Chapters in books

Norell, A. , Hellström, A. & Jansson-Fröjmark, M. (2023). Balans mellan vila och aktivitet: En förutsättning för sömn. In: Pernilla Garmy; Linda Gellerstedt; Amanda Hellström; Annika Norell; Christina Sandlund, Sömn vid hälsa och ohälsa (pp. 315-332). Lund: Studentlitteratur AB. [BibTeX]
Norell, A. & Garmy, P. (2023). Drömmar. In: Pernilla Garmy; Linda Gellerstedt; Amanda Hellström; Annika Norell; Christina Sandlund, Sömn vid hälsa och ohälsa (pp. 85-91). Lund: Studentlitteratur AB. [BibTeX]
Norell, A. & Sandlund, C. (2023). Insomni. In: Pernilla Garmy; Linda Gellerstedt; Amanda Hellström; Annika Norell; Christina Sandlund, Sömn vid hälsa och ohälsa (pp. 153-166). Lund: Studentlitteratur AB. [BibTeX]
Norell, A. , Tillfors, M. & Jakobsson Störe, S. (2023). Psykisk ohälsa. In: Pernilla Garmy; Linda Gellerstedt; Amanda Hellström; Annika Norell; Christina Sandlund, Sömn vid hälsa och ohälsa (pp. 299-311). Lund: Studentlitteratur AB. [BibTeX]
Norell, A. & Garmy, P. (2023). Sömn hos barn och ungdomar. In: Pernilla Garmy; Linda Gellerstedt; Amanda Hellström; Annika Norell; Christina Sandlund, Sömn vid hälsa och ohälsa (pp. 95-108). Lund: Studentlitteratur AB. [BibTeX]
Norell-Clarke, A. , Hedin, G. , Sollerhed, A. & Garmy, P. (2021). Sömn hos barn och ungdomar: livsstilsfaktorer och föräldrarnas betydelse. In: Eva K. Clausson; Eva-Lena Einberg, Barnsliga sammanhang: Forskning om barns och ungdomars hälsa och välmående (pp. 50-57). Kristianstad: Kristianstad university press. [BibTeX]
Garmy, P. , Hedin, G. , Norell-Clarke, A. , Sollerhed, A. , Clausson, E. & Hansson, E. (2019). Sömn, medievanor och livsstil hos barn och ungdomar. In: Eva K. Clausson; Bo Nilsson, Barnsliga sammanhang: forskning om barns och ungdomars uppväxt och livsvillkor (pp. 103-113). Kristianstad: Kristianstad University Press. [BibTeX]

Collections (editor)

Garmy, P. (ed.) , Gellerstedt, L. (ed.) , Hellström, A. (ed.) , Norell, A. (ed.) & Sandlund, C. (ed.) (2023). Sömn vid hälsa och ohälsa (1ed.). Lund: Studentlitteratur AB. [BibTeX]

Conference papers

Norell, A. & Golovchanova, N. (2025). Kan sömnproblem hos svenska kvinnor i 40-årsåldern förutspå sömnen i 60-årsåldern. Paper presented at Svensk Förening för Sömnforskning och Sömnmedicin (SFSS) Årskonferens, Göteborg, 15-17 oktober 2025. [BibTeX]
Norell, A. , Hogstrom, J. , Tillfors, M. , Lindstahl, M. & Wurm, M. (2024). An exploratory study of insomnia and stress in transgender and gender diverse youth, cisgender girls, and cisgender boys. In: Journal of Sleep Research. Paper presented at 27th Congress of the European Sleep Research Society, Seville, Spain, September 24-27, 2024. John Wiley & Sons. [BibTeX]
Salim, O. & Norell, A. (2024). More than an insomnia model? An exploratory investigation of the cognitive processes of insomnia in relation to apnoea, delayed sleep phase, insomnia, nightmares, and PLMS/RLS. In: Journal of Sleep Research. Paper presented at 27th Congress of the European Sleep Research Society, Seville, Spain, September 24-27, 2024. WILEY. [BibTeX]
Sancho Domingo, C. , Norell, A. & Garmy, P. (2024). Sleep chronotypes in adolescents and their association with substance use. In: Journal of Sleep Research. Paper presented at 27th Congress of the European Sleep Research Society, Seville, Spain, September 24-27, 2024. John Wiley & Sons. [BibTeX]
Norell-Clarke, A. , Turunen, J. & Hagquist, C. (2022). How do children and adolescents of separated parents sleep? An investigation of custody arrangements, sleep habits, sleep problems, and sleep duration in Sweden. In: Sleep Medicine. Paper presented at 16th World Sleep Congress, Rome, Italy, March 11-16, 2022. (pp. S197-S197). Elsevier. [BibTeX]
Norell-Clarke, A. , Turunen, J. & Hagquist, C. (2022). How do children and adolescents of separated parents sleep? An investigation of custody arrangements, sleep habits, sleep problems and sleep duration in Sweden. Paper presented at 16th World Sleep Congress, Rome, Italy, March 11-16, 2022. [BibTeX]
Sandlund, C. & Norell-Clarke, A. (2020). Is it more about mood than about sleep? An investigation into moderators and mediators of treatment response to cognitive behavioural therapy for insomnia. Paper presented at 25th Congress of the European Sleep Research Society (ESRS 2020), (Virtual congress), September 22–24, 2020. [BibTeX]
Hedin, G. , Hagell, P. , Norell-Clarke, A. & Westergren, A. (2019). Adolescents’ experiences of sleep and electronic media use. Paper presented at The Adolescents Health Initiative, Michigan University, Detroit, USA, April 11-12, 2019. [BibTeX]
Hedin, G. , Hagell, P. , Norell-Clarke, A. , Westergren, A. & Garmy, P. (2019). Adolescents’ experiences of sleep and electronic media use. Paper presented at The 2019 International Health Conference, St Hugh’s College, Oxford, England, June 26-28, 2019. [BibTeX]
Tillfors, M. , Gryphon, D. , Eriksson, H. & Norell-Clarke, A. (2019). Could the Efficacy of Cognitive Behavioral Treatment for Social Anxiety be Improved If Sleep Problems Are Treated First in People with Comorbid Social Anxiety Disorder and Insomnia?: A Single Case Experimental Design. Paper presented at 21st International Convention of Psychological Science (ICPS 2019), Paris, France, March 7-9, 2019. [BibTeX]
Turunen, J. , Norell-Clarke, A. & Hagquist, C. (2019). Custody Form and Children’s Sleeping Habits. Paper presented at The 2019 Annual Meeting of the Population Association of America (PAA2019), Austin, Texas, USA, April 10-13, 2019. [BibTeX]
Norell-Clarke, A. , Wallsten, D. , Dunér, F. , Modén, L. , Anniko, M. & Tillfors, M. (2019). The effects from Rumination-Focused Cognitive Behavioural Therapy (RFCBT) on insomnia symptoms in a sample with insomnia, anxiety and depression. Paper presented at 18th Nordic Sleep Conference, Oslo, Norway, May 23-25, 2019. [BibTeX]
Norell-Clarke, A. , Turunen, J. & Hagquist, C. (2019). The relationships between parental custody forms and schoolchildren’s sleep. Paper presented at The 2019 International Health Conference, St Hugh’s College, Oxford, England, June 26-28, 2019. [BibTeX]
Norell-Clarke, A. & Hagquist, C. (2016). Adolescent sleep duration in relation to psychosomatic complaints: development between 1985 and 2013 in Sweden. In: Journal of Sleep Research. Paper presented at 23rd Congress of the European-Sleep-Research-Society, Bologna, Italy, September 13-16, 2016. (pp. 139-139). John Wiley & Sons. [BibTeX]
Norell-Clarke, A. , Tillfors, M. , Wilmenius, L. , Jansson Fröjmark, M. , Holländare, F. & Engström, I. (2016). Insomnia severity mediates between cognitive behavioural therapy for insomnia and depression in a sample with insomnia and depression: New possibilities for treatments of comorbid patients. In: EABCT 2016 Abstract Book Total Awareness, The European Association for Behavioural and Cognitive Therapies. Paper presented at 46th Annual Congress of the European Association for Behavioural and Cognitive Therapies (EABCT 2016), Stockholm, Sweden, August 31 - September 3, 2016. (pp. 544-544). [BibTeX]
Norell-Clarke, A. , Tillfors, M. , Jansson-Fröjmark, M. , Holländare, F. & Engström, I. (2014). An investigation of dysfunctional beliefs as a mediator of cognitive behavioural therapy for insomnia in a sample with insomnia and depression. In: Journal of Sleep Research. Paper presented at 22nd Congress of the European-Sleep-Research-Society, Tallinn, Estonia, September 16-20, 2014. (pp. 217-217). [BibTeX]
Jansson-Fröjmark, M. , Norell-Clarke, A. & Linton, S. (2014). The role of emotion dysregulation in insomnia: longitudinal findings from a large community sample. In: Journal of Sleep Research. Paper presented at 22nd Congress of the European-Sleep-Research-Society, Tallinn, Estonia, September 16-20, 2014. (pp. 133-134). [BibTeX]
Norell-Clarke, A. , Jansson-Fröjmark, M. , Tillfors, M. , Holländare, F. & Engström, I. (2013). Cognitive behavioural therapy for comorbid insomnia and depression: A randomised, controlled study. In: Sleep Medicine. Paper presented at 5th World Congress on Sleep Medicine, Valencia, Spain, September 28 – October 2, 2013. (pp. e99-e99). Amsterdam: Elsevier. [BibTeX]
Jansson-Fröjmark, M. , Harvey, A. G. , Norell-Clarke, A. & Linton, S. J. (2012). Associations between psychological factors and night-time/daytime symptomatology in insomnia. In: Journal of Sleep Research. Paper presented at 21th Congress of the European Sleep Research Society, Paris, France, September 4-8, 2012. (pp. 168-169). Wiley-Blackwell. [BibTeX]
Norell-Clarke, A. , Jansson-Fröjmark, M. , Tillfors, M. , Harvey, A. G. & Linton, S. J. (2012). Remission from insomnia associated with psychological factors. Paper presented at 21st Congress of the European Sleep Reserch Society, Paris, France, September 4-8, 2012. [BibTeX]
Norell-Clarke, A. , Jansson-Fröjmark, M. , Tillfors, M. , Harvey, A. G. , Linton, S. J. & Lundh, L. (2011). Are different sleep trajectories characterized by differences in psychological processes at baseline?. Paper presented at 4th International World Sleep Congress and 5th Conference of the Canadian Sleep Society, Quebec City, Canada, September 10-15, 2011. [BibTeX]
Jansson-Fröjmark, M. , Linton, S. J. , Flink, I. & Norell-Clarke, A. (2011). Cognitive-behavioral therapy for insomnia co-morbid with hearing impairment: a randomized controlled trial. Paper presented at 4th International World Sleep Congress and 5th Conference of the Canadian Sleep Society, Quebec City, Canada, September 10-14, 2011. [BibTeX]
Norell-Clarke, A. , Jansson-Fröjmark, M. , Tillfors, M. , Harvey, A. G. & Linton, S. J. (2011). Movement between insomnia, poor sleep and normal sleep in the general population. Paper presented at 14th Nordic Sleep Conference, Reykjavik, Iceland, May 4-7, 2011. [BibTeX]
Norell-Clarke, A. , Jansson-Fröjmark, M. , Tillfors, M. & Harvey, A. G. (2011). Psychological mechanisms and their association with persistent insomnia: Findings from a longitudinal study in the general population. Paper presented at Svensk Förening för Sömnforskning & Sömnmedicins fjärde Årskongress, Örebro, Sweden, May 26-27, 2011. [BibTeX]
Norell Clarke, A. , Jansson-Fröjmark, M. , Linton, S. J. , Harvey, A. G. & Lundh, L. (2010). A psychometric investigation into two insomnia-specific measures of worry/rumination: the pre-sleep arousal scale and the anxiety and preoccupation about sleep questionnaire. Paper presented at 24th Annual Meeting of the APSS, San Antonio, USA, 5-9 June 2010. [BibTeX]
Norell-Clarke, A. , Jansson-Fröjmark, M. , Linton, S. J. , Harvey, A. G. & Lundh, L. G. (2010). Evaluating the cognitive model of insomnia: a general population approach. Paper presented at 24th Annual Meeting of the APSS. [BibTeX]
Norell Clarke, A. , Nyander, E. & Jansson-Fröjmark, M. (2009). Effects of cognitive therapy on youths with primary insomnia. Paper presented at Swedish Association of Sleep and Health yearly conference, Linköping, 21 October, 2009. [BibTeX]
Norell, A. E. C. , Nyander, E. & Jansson-Fröjmark, M. (2009). Sleepless in Sweden: effects of cognitive therapy on youths with primary insomnia. Paper presented at 23rd Annual Meeting of the Associated-Professional-Sleep-Societies, Seattle, WA, USA, June 6-11, 2009. (pp. A269-A270). Oxford University Press. [BibTeX]

Doctoral theses, comprehensive summaries

Norell-Clarke, A. (2014). Cogito, ergo insomnis: I think, therefore I am sleepless. (Doctoral dissertation). (Comprehensive summary) Örebro: Örebro university. [BibTeX]

Manuscripts

Norell-Clarke, A. , TIllfors, M. , Jansson-Fröjmark, M. , Holländare, F. & Engström, I. An investigation of cognitive processes as outcomes and mediators of CBT-I for insomnia in a sample with insomnia and depression. [BibTeX]