The purpose of this clinical trial is learn whether a behavioral (non-medication) treatment can reduce nightmares in adults with Rapid Eye Movement (REM) Sleep Behavior Disorder (RBD). People with RBD will be enrolled in the study along with their family members (a partner or other family member residing in the same home). All participants will receive the treatment via videoconference and will complete 2 assessments. Participants with RBD will attend 7 sessions, and their family members will attend 2 of those sessions with them.
Diagnosis of isolated RBD or RBD secondary to neurodegenerative disease
Age 18 or older
Speak, read, and write English
Live in the United States
Possible dementia
Narcolepsy
Posttraumatic stress disorder
Previous behavioral treatment for nightmares