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Nightmare Frequency and Nightmare Distress in Poor Sleepers: A Cross-Sectional Study.
1Sleep Laboratory, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany.
Journal of Sleep Research
|August 21, 2025
Summary
Poor sleep quality and nightmares are closely linked. Addressing sleep problems may reduce nightmare frequency, with stress and gender influencing distress. Cognitive-behavioral therapy can help.
Area of Science:
- Sleep Medicine
- Psychology
Background:
- Poor sleep quality and nightmares often coexist and influence each other.
- Existing etiological models for insomnia and nightmare disorder share similarities.
Purpose of the Study:
- To investigate the relationship between sleep quality, nightmare frequency, and nightmare distress.
- To examine the moderating role of waking-life stress and the contribution of gender to nightmare distress.
Main Methods:
- Cross-sectional study of 654 participants with mild to moderate sleep problems.
- Analysis of nightmare frequency, sleep quality, waking-life stress, and nightmare distress.
- Statistical examination of moderation and contribution effects.
Main Results:
- Nightmare frequency was significantly elevated in the study sample compared to representative samples.
- Waking-life stress partially moderated the link between poor sleep quality and nightmare frequency.
- Gender and waking-life stress were significant contributors to nightmare distress, independent of nightmare frequency.
Conclusions:
- A strong association exists between sleep problems and nightmares.
- Cognitive-behavioral therapy for insomnia (CBT-I) modules may benefit nightmare sufferers.
- Imagery Rehearsal Therapy (IRT) could be beneficial for insomnia patients experiencing nightmare distress.
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