Mode of delivery of Cognitive Behavioral Therapy for Insomnia: a randomized controlled non-inferiority trial of digital and face-to-face therapy.

"Disclosure Statements Financial Disclosure: All authors declare no competing interests. Nonfinancial Disclosure: All authors declare no competing interests. Financial Disclosure : All authors declare no competing interests. Nonfinancial Disclosure : All authors declare no competing interests."

"Funding The study was supported by St. Olavs University Hospital and The Norwegian National Advisory Unit on Sleep Disorders (SOVno). The funders had no role in study design, data collection, data analysis, data interpretation, or writing the manuscript. The corresponding author had full access to all the data in the study and final responsibility for the decision to submit the manuscript in its current form for publication."

"A parallel-group randomized controlled non-inferiority trial of dCBT-I versus FtF CBT-I, with participants assigned in a 1:1 ratio. The protocol was approved by the Regional Ethical Committee of South-East Norway (Reference: 2013/1836) and the RCT was registered on the Clinical Trials website (ClinicalTrials.gov: NCT02044263)."