Browsing Bergen Open Research Archive by Author "Kallestad, Håvard"
Now showing items 1-4 of 4
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Effects of digital cognitive behavioural therapy for insomnia on insomnia severity: a large-scale randomised controlled trial
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 (Journal article, 2020)Background Although several large-scale randomised controlled trials have shown the efficacy of digital cognitive behavioural therapy for insomnia (dCBT-I), there is a need to validate widespread dissemination of dCBT-I ... -
Long-Term Effects of an Unguided Online Cognitive Behavioral Therapy for Chronic Insomnia
Vedaa, Øystein; Hagatun, Susanne; Kallestad, Håvard; Pallesen, Ståle; Smith, Otto Robert Frans; Thorndike, Frances P; Ritterband, Lee M.; Sivertsen, Børge (Peer reviewed; Journal article, 2019)STUDY OBJECTIVES: The aim of this study was to test the efficacy of fully automated Internet-delivered cognitive behavioral therapy for insomnia (CBT-I) 18 months after the intervention period on sleep, daytime functioning, ... -
Overcoming insomnia: Protocol for a large-scale randomised controlled trial of online cognitive behaviour therapy for insomnia compared with online patient education about 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 (Peer reviewed; Journal article, 2018)Introduction Insomnia is a major public health concern. While cognitive behaviour therapy for insomnia (CBT-I) is acknowledged as the best available intervention, there are unanswered questions about its wider dissemination, ... -
Short and long-term effects of unguided internet-based cognitive behavioral therapy for chronic insomnia in morning and evening persons: a post-hoc analysis
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 (Peer reviewed; Journal article, 2019)A post-hoc analysis comparing morning and evening persons with insomnia on sleep and mental health characteristics was conducted in order to investigate whether an Internet-based cognitive behavioral therapy for insomnia ...