F51.0 G47.0
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Confident use of the smartphone/tablet/computer - Stable Internet access
Exclusion criteria
Exclusion criteria: - Bipolar disorder - Epilepsy - Pregnancy - Shift work - Presence of another sleep disorder (diagnostic interview) - Parallel psychotherapy for the treatment of sleep disorders - Regular drug and alcohol use (> 3 glasses of alcohol per day, more than 21 days), marijuana use (> 1x per week; self-report) - Acute suicidality (suicide item > 1 in the Beck Depression Inventory BDI & suicidality according to questioning in a telephone interview) - Psychosis
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Insomnia severity, post-treatment (8 & 16 weeks post-randomization) as measured with the Insomnia Severity Index (ISI) | — |
Secondary
| Measure | Time frame |
|---|---|
| - Sleep continuity (as measured with a sleep diary and actigraphy; continuously for 8 weeks during the intervention) - Dysfunctional beliefs about sleep (DBAS; 8 & 16 weeks post-randomization) - Pre-Sleep Arousal (PSAS; 8 & 16 weeks post-randomization) - Daytime well-being (WHO-5; 8 & 16 weeks post-randomization) - Quality of life (WHQOL_BREF; 8 & 16 weeks post-randomization) - Symptoms of anxiety and depression (HADS; 8 & 16 weeks post-randomization) | — |
Countries
Germany
Contacts
Heinrich-Heine-Universität Düsseldorf