Registration and Lunch

Track A

Track B

Track C

Coffee Break

Track A

Track B

Welcome and Opening Remarks

Keynote Lecture: Erna Sif Arnardóttir (Chairs: Tarja Saaresranta)

“Sleep Revolution: reshaping diagnosis and management of Obstructive Sleep Apnea in Europe”

Track A · Oral presenations: INSOMNIA (Chairs: Sussanna Jernlöv & Bjørn Borvatn)

• 1) Daridorexant or zolpidem on wakefulness throughout the night in insomnia disorder: A post hoc analysis, Björn Steiniger-Brach, Switzerland
• 2) An Evaluation of Group Rumination-Focused Cognitive Behavioral Therapy for Insomnia: A Study within Primary Care, Annika Norell, Örebro University, Sweden
• 3) Efficacy of a Transdiagnostic Sleep and Circadian Intervention for Psychiatric Outpatients with Sleep Problems, Mette Kragh, Denmark
• 4) Sleep disturbances and fatigue contribute to cognitive function in melanoma patients undergoing adjuvant immunotherapy, Josefine Tingdal Taube Danielsen, Sleep & Circadian Psychology Research Unit, Dept. of Psychology and Behavioral Sciences, Aarhus University, Aarhus, Denmark
• 5) Potential societal savings of treating insomnia in outpatients with coronary heart disease versus usual care, André P. Pacheco, Department of Research and Innovation, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway

Track B · Oral presenations: RESPIRATORY (Chairs: Harald Hrubos-Strøm & Ulla Anttalainen)

• 1) Referral Pathways for Obstructive Sleep Apnea in Latvia: Insights from an Ambulatory Sleep Diagnostics Center, Ruslans Mihailovskis, VCA Neuroclinic, Latvia
• 2) Impaired emotion recognition is associated with sleep-related hypoxic burden, Dimitri Ferretti, Sahlgrenska Academy - University of Gothenburg, Sweden
• 3) Associations of UNC-51-like kinase 1, cognition, and cardiovascular events in the Akershus Sleep Apnea cohort, Xin Feng, Akershus University Hospital, Norway
• 4) Palatal Morphology and Its Association With Sleep-Disordered Breathing Severity in Adults With Mild–Moderate OSA, Triin Jagomägi, Professor of Orthodontics, University of Tartu, Estonia
• 5) Effect of orofacial myofunctional therapy on apnea-hypopnea index in mild-to-moderate sleep apnea - A randomized controlled trial, Diana Dobran Hansen, Akershus University Hospital, Department of Otorhinolaryngology, Norway

Track C

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Coffee Break + Sponsor Exhibitions

Track A · Invited symposium: Circadian Rhythms, Light, and Health (Chairs: Jens Hannibal & Ali Amidi)

• 1) Molecular Clock Disruption and Disease, Frederic Gachon
• 2) Circadian rhythmicity and metabolic health in a diurnal mammal are differentially altered by chronic light at night and chronic night shift., Etienne Challet
• 3) Targeting Circadian Rhythms to Improve Fatigue and Sleep in Cancer Rehabilitation, Lisa M. Wu
• 4) Dark therapy, Light, Circadian rhythms, and Psychiatry, Tone Henriksen
• 5) Shift-work Health, Arne Lowden

Track B · Contributed Symposium: Perspectives on positive airway pressure treatment (Chairs: Tarja Saaresranta & Tina Lildal)

• 1) Sleep apnea humanististic and societal burden: Cost effectiveness of CPAP treatment, Prof. Poul Jennum, Danish Center for Sleep Medicine, Department of Clinical Neurophysiology, Department of Health Technology, Technical University of Denmark, Rigshospitalet, Copenhagen, Danmark
• 2) How to increase treatment adherence in sleep apnea? – endophenotyping, listening to the patient’s perspective or both?, Dr. Harald Hrubos-Strøm, Department of Otorhinolaryngology, Akershus University Hospital, Norway
• 3) Clinical and social determinants of CPAP adherence trajectories and outcomes, Dr. Sebastien Bailly, Grenoble Alpes University, Inserm U1300 HP2, CHU Grenoble Alpes, Grenoble, France
• 4) Resmed's Insight Reports' data from Turkuand Gothenburg, what can we learn from this?, Prof. Ulla Anttalainen, Division of Medicine, Department of Pulmonary Diseases and Sleep and Breathing Centre, Turku University Hospital Turku, Finland
• 5) Redefining telemedicine in OSA management through AI, Dr. Ding Zou, Center for Sleep and Vigilance Disorders, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden

Track C · Invited symposium: Neurodegenerative diseases, aging and sleep (Chairs: Poul Jennum & TBA)

• 1) Sleep and Brain Health: Insights from Biomarker Research, Tim Lyckenvik
• 2) The glymphatic system and neurodegenerative diseases, Iben Lundgaard
• 3) Sleep pressure–driven brainstem hyperactivity disrupts sleep-dependent memory in aging, Celia Kjærby
• 4) Sleep disturbances as early markers of neurodegenerative disease, Poul Jennum, Danish Center for Sleep Medicine, Department of Clinical Neurophysiology, Department of Health Technology, Technical University of Denmark, Rigshospitalet, Copenhagen, Danmark
• 5) Individual sleep need, brain health and cognitive function, Anders M. Fjell

Lunch and Sponsor Exhibitions

Track A · Young investigators’ oral presentations (Chairs: Nicklas Hougaard & TBA)

• 1) The course of psychiatric comorbidity in narcolepsy type 1: a prospective cohort study, Kristin Langdalen, Norwegian Centre for Rare Diseases, Oslo University Hospital, Norway
• 2) Associations Between Psychological Distress and Sleep in Patients with Untreated Obstructive Sleep Apnea, Anja Seiger, Charité – Universitätsmedizin Berlin, Germany
• 3) Automated sleep staging: multicentre validation of U-Sleep for Parkinson’s disease and REM sleep behaviour disorder, Casper Skjærbæk, Lundbeck Foundation Parkinson’s Disease Research Center (PACE), Aarhus University, Aarhus, Denmark
• 4) Metabolic–Neural Crosstalk: Anti-Obesity Drug Reshapes Sleep Architecture and Slow-Wave Activity in Mice, Alberte Wollesen Breum, Department of Neuroscience, Faculty of Health and Medical Sciences, University of Copenhagen
• 5) Brain alterations following cognitive behavioral therapy for insomnia: A systematic review of the neuroimaging literature, Julie Kofoed Thomadsen, Sleep and Circadian Research Unit (SCaPe), Department of Psychology and Behavioural Sciences, Aarhus University, Denmark

Track B · Invited symposium: Respiratory Sleep Disorders (Chairs: Harald Hrubos-Strøm & Eva Kjær)

• 1) Future diagnostics: Lessons from Sleep Revolution, Timo Leppänen
• 2) OSA in women, Jenny Theorell-Höglöv
• 3) Paediatric OSA: mechanisms, phenotypes, and long-term outcomes, Turkka Kirjavainen
• 4) Cardiovascular risk in obstructive sleep apnea, Hamza Nahoui
• 5) What to do when CPAP fails? – passive opening, muscle modulation or both?, Harald Hrubos-Strøm

Track C - Sponsor symposium by Idorsia (Chair: TBA)

“Orexin receptor antagonism a novel treatment of long-term insomnia disorder – from clinical trials to real-world evidence”
Speaker: Prof. Laura Palagini (IT)

Coffee Break + Sponsor Exhibition

Track A · Poster session

Selected posters presented by authors (see programme for poster sessions)

Posters: 2, 4, 17, 18, 19, 20, 23, 24, 25, 26, 33, 34, 37, 39, 40, 41, 42, 45, 47, 49, 50, 55, 57

Track C

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Track A - Keynote Lecture: Professor Alison Harvey (Chair: Ali Amidi)

Sleep as a Pathway to Mental Health: Transdiagnostic Treatments and Implementation Innovation

Networking event in Exhibition Area

Track A · Keynote Lecture: Professor Per Borghammer (Chair: Poul Jennum)

The importance of REM sleep behaviour disorder for defining subtypes of Parkinson's disease

Track A · Oral: BASIC and CIRCADIAN (Chairs: Poul Jennum & Lisa Wu)

• 1) Sleep-associated consolidation selectively strengthens weak memories, Liisa Raud, University of Oslo, Norway
• 2) Seasonal, Social, and Biological Drivers of Sleep: Findings from a Year of Nocturnal EEG Monitoring, Jonas Duun-Henriksen, Denmark
• 3) Linking Sleep and Circadian Dysregulation to Psychological Burden and Prognosis in Lung Cancer Undergoing Immunotherapy, Louise Strøm, Unit for Psycho-oncology & Health Psychology, Department of Psychology and Behavioral Sciences, and Sleep & Circadian Psychology Research Unit, Department of Psychology and Behavioral Sciences, Aarhus UniversityAarhus University, Aarhus, Denmark
• 4) Sleep regularity as a modifiable factor for blood pressure reduction: an exploratory randomized clinical trial, Rocío Barragán-Arnal, University of Valencia, Spain
• 5) Nocturnal melatonin levels are lower in the winter: A cross-sectional study from Southern Sweden, Anna Franzén, Sweden

Track B · Oral: NEUROLOGY (Chairs: Casper Riedel & Christian Benedict)

• 1) Effect of Stroke Subtype on CPAP Therapy Outcomes, Nguyen Binh Minh Hoang Tran, Taipei Medical University, Taiwan, Republic of China
• 2) Course and severity of narcolepsy type 1: a long-term prospective cohort study, Kristin Langdalen, Norwegian Centre for Rare Diseases, Oslo University Hospital, Norway
• 3) Nocturnal Heart Rate Variability as a Biomarker of the Autonomic Function in Progressing Parkinson’s Disease, Patrycja Lebiecka-Johansen, Department of Electrical and Computer Engineering, Center for Ear-EEG, Aarhus University, Aarhus, Denmark
• 4) Associations Between Physical Activity and Restless Legs Symptoms – Preliminary Results from a Swedish Sample, Anna Johnsen, Department of nursing, School of Health and Welfare, Jönköping University, Sweden
• 5) Predicting Sleep Quality and Quantity Profiles in Danish Adults: A Machine Learning Analysis, Kevin Pedersen, Department of public health Social medicine University of Copenhagen, Denmark

Track C

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Coffee Break + Sponsor Exhibition

Track A · Invited symposium: Insomnia and co-morbid conditions (Chairs: Bobby Zachariae & Alison Harvey)

• 1) Insomnia, adolescents and mental health”, Bjørn Bjorvatn
• 2) Sleep to stay slim, Christian Benedict
• 3) When Insomnia doesn’t come alone: can digital CBT-I keep up, Susanne Jernelöv
• 4) Sleep, inflammation, and Immunity, Mats Lekander
• 5) TBA, Mette Kragh

Track B · Contributed Symposium: Mechanisms and functions of infraslow rhythms in sleep (Chairs: TBA)

• 1) Coordinated infraslow cortical oscillations of neuromodulators during NREM Sleep, Rebeka Kovács, Center for Translational Neuromedicine, University of Copenhagen
• 2) Changes in neurovascular coupling dynamics and pulsatile flow velocities in human brain during NREM sleep, Vesa Kiviniemi, Medical Research Center, University of Oulu
• 3) The heterogenic nature of micro-arousals in healthy sleep: insights from multi-unit activity recordings in mice, Natalie Hauglund, University of Oxford and Danish Center for Sleep Medicine
• 4) The role of sleep architecture in cognitive dysfunction during early stages Parkinson’s disease, Katia Soud, Department of Neuroscience, University of Copenhagen
• 5) Microsleep and arousals: biomarker for disease and mortality, Andreas Brink-Kjær and Poul Jørgen Jennum, Danish Center for Sleep Medicine, Department of Clinical Neurophysiology, Department of Health Technology, Technical University of Denmark, Rigshospitalet

Track C · Invited symposium: Pediatric Sleep Disorders (Chairs: Nanette Mol Debes & Jannet Svendsen)

• 1) Parental perception vs. real symptoms, Marta Celmina
• 2) How to measure sleep in children and adolescents?, Cecilie Paulsrud
• 3) Dimensions in pediatric sleep, Juulia Paavonen
• 4) AI in measurement of sleep in pediatic populations, Umaer Rashid Hanif

Lunch and Sponsor Exhibitions

Track ? - Sponsor symposium (NOX) (Chair: Ding Zou)

Title: Seeing What We’ve Been Missing: Nox Flow and the Future of Sleep Endotyping
Speaker: Jón Ágústsson

Track A · Poster session

Selected posters presented by authors (see programme for poster sessions)

Posters: 59, 60, 61, 63, 70, 71, 73, 74, 75, 77, 78, 79, 80, 81, 86, 87, 88, 90, 91, 93, 94, 95, 96

Coffee Break + Sponsor Exhibitions

Track A · Contributed Symposium: AI in sleep medicine and research (Chairs: TBA)

• 1) Exploring joint modelling of human and mouse sleep EEG using deep learning, Javier Garcia Ciudad
• 2) AI in identification of insomnia?, Umaer Hanif, Rigshospital, Copenhagen, Denmark
• 3) Use of AI identifying sleep-wake pattern in health and neurodegeneration, Andreas Brink-Kjær, Technical University of Denmark
• 4) Unsupervised Domain Adaptation for Sleep: Can a model detect when something is wrong?, Kaare Mikkelsen, Aarhus University Denmark
• 5) Mini epochs staging of narcolepsy, Louise Frøstrup Follin, Nevsom, Oslo, Norway

Track B · Contributed Symposium: Neuroimaging Insights into Sleep Disorders and Brain Function (Chairs: TBA)

• 1) Structural neuroimaging insights into narcolepsy, Hilde Juvodden
• 2) The role of sleep in ageing and preclinical stages of Alzheimer’s disease: Insights from Multimodal Biomarker Studies, Laura Stankeviciute
• 3) Neural Consequences of Sleep Loss: Imaging the Tired Brain, Nathalia Zak
• 4) Dopamine Integrity Imaging in RBD and early neurodegeneration, Rune Frandsen
• 5) Collaborative Neuroimaging in Central Hypersomnolence: Insights from multi-centre MRI studies, Eva van Heese

Track C · Contributed Symposium: Digital Delivery of CBT-I – Efficacy, Implementation, and Innovation Across the Nordic Region (Chairs: TBA)

• 1) Digital- versus Face-to-face delivered CBT-I, Prof. Robert Zachariae, Unit for Psychooncology & Health Psychology, Aarhus University Hospital, Denmark
• 2) CBT-I in Norway: Long-Term Outcomes from Population-Based Trials, Dr. Børge Sivertsen, Norwegian Institute of Public Health, Norway
• 3) Implementing Digital CBT-I in Regular Care: Opportunities and Challenges, Dr. Susanna Jernelöv, Department of Clinical Neuroscience, Karolinska Institute, Sweden
• 4) HVIL - the development and testing of a flexible, Danish CBT-I app, Dr. Ali Amidi, Sleep & Circadian Psychology Research Unit, Aarhus University, Denmark
• 5) Using the Multiphase Optimization Strategy (MOST) framework to optimize digital CBT-I, Sofie Møgelberg Knutzen, MSc., Department of Psychology & Behavioural Sciences, Aarhus University, Denmark

Track A - Keynote Lecture: Professor Christian Cajochen (Chair: Klaus Martiny)

Circadian Regulation of Sleep & Wakefulness

Canal Tour from Amaliehaven (15 min. walk from the venue) followed by conference dinner in the iconic Tivoli Gardens. Sign up through the registration site.

Track A · Contributed Symposium: Unravelling the mechanisms behind brain clearance during sleep (Chairs: XXX)

• 1) A brief introduction to the glymphatic system, Natalie Hauglund, University of Oxford and Danish Center for Sleep Medicine
• 2) Measuring waste clearance of the brain during sleep, Erik Kroesbergen, University of Copenhagen, Denmark
• 3) Computational modeling of brain clearance during sleep, Kent Andre Mardal, Simula Research Laboratories and University of Oslo, Norway
• 4) Vasodynamics captured with Mini2P in Naturally Sleeping Mice, Fabian Heimel, University of Oslo, Norway
• 5) Physiological Brain Pulsations: a Clinical Perspective, Janne Kananen, University of Oulu, Finland

Track B · Contributed Symposium 3: Central Disorders of Hypersomnias (Chairs: Kristina Bacher Svendsen & Birgitte Kornum)

• 1) Pathophysiology and Mechanism in central disorders of hypersomnias (CDH), Birgitte Rahbek Kornum, professor, PhD. Molecular Neuroscience, University of Copenhagen, Denmark
• 2) Electrophysiological findings and diagnostic procedures for CDH, Poul Jørgen Jennum, professor, chief physician, DMSc, Danish Center for Sleep Medicine, Department of Clinical neurophysiology, Rigshospitalet, Denmark
• 3) Quality of life, Comorbidities, and consequences of CDH, Eemil Partinen, Neurologist, Senior physician, Helsinki University Central Hospital, Finland
• 4) Treatment and management of CDH. Status and future directions, Stine Knudsen, associated professor, PhD. Nevsom, Oslo University Hospital, Norway

Track C

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Track A · Oral: PEDIATRICS (Chairs: TBA)

• 1) Changes in prevalence of sleep medication use in Swedish adolescents by relative age, Clara Sancho-Domingo, Department of Health Sciences, Public University of Navarre, Pamplona, Spain
• 2) Associations between Glycemic Variability and Sleep Architecture in Children and Adolescents with Type 1 diabetes, Cecilie Paulsrud, Steno Diabetes Center Copenhagen, Denmark
• 3) Impact of Nightly Blood Glucose Fluctuations on Actigraphy-Measured Sleep in Children with Type 1 Diabetes, Khwajasohrabudin Sidigi, Fellow, Biomedical Design, Novo Nordic Foundation, Faculty of Health & Medical Sciences, UCPH

Track B

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Track C

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Coffee Break + Sponsor Exhibition

Track A - Keynote Lecture: Professor Paul Gringas (Chair: Nanette Mol Debes)

Use of melatonin in pediatric populations

Closing Remarks

General assembly, Dansk Selskab for Søvnmedicin