Long-term clinical and cost-effectiveness of a fully automated digital cognitive behavioural therapy for insomnia: 2-year follow-up of a single-blind, superiority, randomised controlled trial
Daniel Vethe, Zareen Khan, Cecilie Lund Vestergaard, Vidar Halsteinli, Simen Berg Saksvik, Øystein Vedaa, Børge Sivertsen, Gunnar Morken, Knut Langsrud, Lee M. Ritterband, Otto Robert Frans Smith, Janine Linda Scott, Håvard Kallestad