1. Department of Clinical Psychology University of Bergen Bergen Norway
2. Department of Clinical Science University of Bergen Bergen Norway
3. Department of Global Public Health and Primary Care University of Bergen Bergen Norway
4. Norwegian Competence Center for Sleep Disorders Haukeland University Hospital Bergen Norway
5. Department of Health Registry Research and Development National Institute of Public Health Bergen Norway
6. Department of Psychosocial Science University of Bergen Bergen Norway
7. Optentia Research Unit the Vaal Triangle Campus of the North‐West University Vanderbijlpark South Africa