Decreasing Nightmares in Adults With Narcolepsy

This study is testing a behavioral (non-medication) treatment called Imagery Rehearsal Therapy (IRT) to see if it can reduce nightmares in adults with narcolepsy. You might be able to join if you are an adult (18 or older) with narcolepsy (Type 1 or Type 2) who experiences nightmares at least once a week, lives in the United States, and can speak, read, and write in English. Your sleep and psychiatric medications must be stable. The study will measure how much your disturbing dreams and nightmares improve, and how often you have nightmares, at different points in time. The current status of this study is unclear.

Study design
This is an interventional study planning to enroll 80 participants. All participants will receive the Imagery Rehearsal Therapy, with half receiving it after the first assessment and half after the second.
What's involved
You would attend 7 weekly therapy sessions via videoconference and complete three assessments (at baseline, 10 weeks, and 19 weeks).
Compensation
Not stated in the trial record.
Follow-up
Your progress will be measured at 10 weeks and 19 weeks after the start of the study.

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NCT06383806

Decreasing Nightmares in Adults With Narcolepsy

Recruiting
NAAges 18+InterventionalTreatment
University of Utah
~80 participants
Updated 2026-07-15 on ClinicalTrials.gov
What's tested:Imagery Rehearsal Therapy (IRT)

At a glance

Recruiting sites
1 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Disturbing Dream and Nightmare Severity Index (DDNSI)
Measured over Completed at each of the three assessments (baseline, 10 weeks, 19 weeks)
+1 more outcome measured
Narcolepsy
Narcolepsy Type 1
Narcolepsy With Cataplexy
Narcolepsy Without Cataplexy
Nightmare
Nightmare Disorder With Associated Other Sleep Disorder
1 sites across 1 states
Utah1

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Eligibility criteria

Inclusion

Diagnosis of narcolepsy type 1 or narcolepsy type 2
Nightmare frequency of ≥1 times per week
Age 18 or older
Able to speak, read, and write in English
Live in the United States
Sleep and psychiatric medications stable for ≥ 1 month and willing to keep medications stable for the duration of the study
Live with a romantic partner who meets the above criteria and has agreed to participate in the study
Age 18 or older
Able to speak, read, and write in English
Live in the United States

Exclusion

Currently engaged in trauma- or sleep-related psychotherapy
Previous behavioral treatment for nightmares
Medical, psychiatric, or cognitive condition which would interfere with ability to engage in the treatment
Untreated moderate-severe sleep apnea
  • Disturbing Dream and Nightmare Severity Index (DDNSI)Completed at each of the three assessments (baseline, 10 weeks, 19 weeks)

    The DDNSI is a questionnaire which measures the severity of nightmares.

  • Nightmare frequency (sleep diary)Completed at each of the three assessments (baseline, 10 weeks, 19 weeks)

    The number of nightmares experienced each day will be collected on daily sleep diaries completed during each assessment period.