Nightmares (Nachtmerries)
Conditions
Interventions
Both active interventions will be delivered by trained and experienced therapists.
Imagery rescripting (IR) therapy: participants will receive an adapted 3-session intervention of the original IR pro
Sponsors
Universiteit van Amsterdam, Department of Clinical Psychology; UvA PsyPoli (www.psypoli.nl)
Eligibility
Inclusion criteria
Inclusion criteria: 18 years of age or older; one or more nightmare(s) per week, with a recurrent (emotional) theme; nightmares have to impair the daily functioning of the client (nightmare disorder according to DSM-5); fluency in Dutch
Exclusion criteria
Exclusion criteria: A current diagnosis of alcohol and/or drug abuse or dependency; PTSD resulting from protracted and recurring trauma (type 2 trauma); psychotic disorder; CBT-based psychotherapy for nightmare symptoms in the preceding 12 months; Co-morbidity as such will not be reason for exclusion but the nightmares must be the principal diagnosis. If applicable, participants will be asked to keep their medication intake stable during and 1-8 weeks before treatment (depending on the type of medication).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Nightmare frequency 2. Nightmare distress | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Zelf Inventarisatie Lijst (ZIL; Hovens, Bramsen, & van der Ploeg, 2000) 2. Sleep complaints (Insomnia Severity Index; Morin, 1993) 3. Nightmare beliefs (10-15 item questionnaire regarding nightmare beliefs) Mediators of the treatment effect: 1. Nightmare distress (at night, as well as during the day) 2. Nightmare mastery (nightmare content) 3. Nightmare controllability (emotions elicited by the nightmare) 4. Predictability of emotions experienced during the nightmare 5. Tolerability of emotions experienced during the nightmare 6. Nightmare vividness 7. Sleep quality 8. Subjective Units of Distress (SUDs) | — |
Contacts
Public ContactJaap Lancee
University of Amsterdam
Outcome results
None listed