In order to start evaluate the digital treatment format, this study will use a Randomized Controlled Trial design (RCT). Participants with MS and insomnia from a Neurology clinic in Sweden will be randomized to either Cognitive-behavioral intervention for insomnia (iCBT) or Applied relaxation (AR). The treatments will consits of six sessions and will be administered digitally. Psychologists will have contact with the participants via a secure video call platform.Follow-up data will be gathered at six and 12 months after the treatments.
The treatments will be compared in following outcomes:
* Sleep diary: total sleep time (TST), sleep onset latency (SOL), wake after sleep onset (WASO), and early morning awakening (EMA).
* Insomnia symptoms
* Depressive symptoms
* Worry
* Fatigue
* Quality of life
* MS symptoms/function
* Client satisfaction
* Negative effects
