Mayo Clinic

How can clinicians distinguish nightmare disorder from sleep terrors, nocturnal hallucinations and REM sleep behavior disorder—and what treatments are supported by the strongest evidence? In this Mayo Clinic Sleep Medicine podcast, sleep specialists discuss the clinical presentation, differential diagnosis and management of nightmare disorder. The conversation explores psychiatric and medication-related contributors to frequent nightmares, idiopathic nightmare disorder, and the role of imagery rehearsal therapy as a practical behavioral treatment. The discussion also examines exposure-based therapies, cognitive behavioral approaches, lucid dreaming techniques and medications such as prazosin, including the limitations of current evidence for pharmacologic treatment of idiopathic nightmare disorder. Health care professionals will learn more about: • Differentiating nightmare disorder from other parasomnias and sleep-related phenomena • Recognizing psychiatric conditions and medications associated with frequent nightmares • Applying imagery rehearsal therapy in clinical practice • Understanding the evidence for alternative behavioral therapies • Evaluating the role and limitations of pharmacologic treatment This episode is intended for physicians, advanced practice providers, nurses and other health professionals interested in sleep medicine and the management of sleep disorders. 00:00 Introduction 00:39 What Is Nightmare Disorder? 01:38 Nightmare Disorder vs Sleep Terrors, Hallucinations, and REM Sleep Behavior Disorder 05:24 Causes of Nightmare Disorder 06:21 Psychiatric Conditions Associated with Nightmares 07:12 Medications That Can Cause Nightmares 08:35 Idiopathic Nightmare Disorder and Pathophysiology 09:17 Imagery Rehearsal Therapy (IRT) 11:55 Practical Use of IRT 13:14 Other Therapies for Nightmares (ERRT, CBT-N, Lucid Dreaming) 15:32 Medications for Nightmare Disorder 16:50 Does Clonazepam Help? 17:35 Key Takeaways and Closing Remarks