Decreasing Nightmares in Adults With Narcolepsy

PARTICIPANTS WITH NARCOLEPSY/NIGHTMARES Inclusion Criteria: * 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 Exclusion Criteria: * 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 PARTICIPANTS WHO ARE PARTNERS OF SOMEONE WITH NARCOLEPSY Inclusion Criteria: * 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