Clinical Research Directory

Inclusion Criteria: * Undergoing three screening phases: a web-based questionnaire, a telephone interview with a structured assessment, and a 7-day sleep diary completion. * Screening resulting in diagnosis of insomnia, including co-morbid insomnia. * Participant should fulfill the following DSM-5 criteria. (1)Difficulty in sleep Initiation, maintenance, or early morning awakening. (2)Frequency and duration of at least three nights per week and has been present for at least three months.(3) Problems persist despite candidates having had adequate opportunity and circumstances for sleep. (4) The sleep disturbance causes significant distress or impairment in social, occupational, educational, academic, behavioral, or other important areas of functioning. * Age above 18 and Swedish resident and language proficient. Exclusion Criteria: * Severe depressive episode with suicidal intentions or actions * Current or past diagnosis of psychotic or bipolar disorders * Current substance use disorder * Recent changes in psychopharmacotherapy (within the last three months) or use of "as-needed" hypnotic medications during the trial.