Doctoral thesis (PhD)

• Ragnhild Stokke Lundetræ (2026). Obstructive sleep apnea and comorbidities : A registry-based study of associations with other sleep disorders, treatment outcomes, and the influence on low-grade inflammation. (external link)

Academic article

• Andrea Romarheim; Ragnhild Stokke Lundetræ; Ingvild Saxvig et al. (2026). Prevalence and Predictors of Obstructive Sleep Apnea in Men and Women from an Outpatient Clinic Cohort: Focus on Clinical Characteristics, Cardiovascular Disease, and Serum Biomarkers. (external link)
• Bjørn Bjorvatn; Siri Waage; Ragnhild Stokke Lundetræ et al. (2026). The impact of sleep duration, sleep debt and insomnia symptoms on infection risk: a longitudinal cohort study with 1-year follow-up. (external link)
• Erik Vevatne Øverland; August Arentz Sunnarvik Waaraas; Ragnhild Stokke Lundetræ et al. (2025). No association between obstructive sleep apnea and restless legs syndrome: results from a large hospital-based cross-sectional study. (external link)
• Bjørn Bjorvatn; Ragnhild Stokke Lundetræ; Øystein Vedaa et al. (2025). A randomized controlled trial comparing sleep hygiene advice with a self-help book focusing on cognitive behavioral therapy for insomnia: a study among patients with prescribed hypnotics from the GP. (external link)
• Ragnhild S. Lundetræ; Sverre Lehmann; Ingvild W. Saxvig et al. (2025). Severity of obstructive sleep apnea is related to C-reactive protein levels: The influence of comorbidities and self-reported sleep duration. (external link)
• Ragnhild Stokke Lundetræ; Ingvild W. Saxvig; Sverre Lehmann et al. (2020). Effect of continuous positive airway pressure on symptoms of anxiety and depression in patients with obstructive sleep apnea. (external link)
• Ragnhild Stokke Lundetræ; Ingvild W. Saxvig; Harald Aurlien et al. (2021). Effect of Continuous Positive Airway Pressure on Symptoms and Prevalence of Insomnia in Patients With Obstructive Sleep Apnea: A Longitudinal Study. (external link)
• Ragnhild Stokke Lundetræ; Ingvild W. Saxvig; Ståle Pallesen et al. (2018). Prevalence of parasomnias in patients with obstructive sleep apnea. A registry-based cross-sectional study. (external link)

Lecture

• Ragnhild Stokke Lundetræ (2023). Effekt av CPAP på komorbide lidelser hos pasienter med søvnapné. (external link)

Media interview

• Ragnhild Stokke Lundetræ (2022). De ønsker alle å nå toppen, men gjør de de riktige tingene riktig?. (external link)
• Ragnhild Stokke Lundetræ (2023). Intervju om snorking i Lokalen, NRK Rogaland. (external link)

See a complete overview of publications in NVA.