This volume in the Advances in Psychotherapy series synthesizes the latest research on the assessment and treatment of nightmares and offers a unique perspective on this frequently overlooked clinical condition. Everyone experiences nightmares, but for some people they occur frequently, which can lead to sleep disruption, and the worsening of mental health symptoms. Chronic nightmares are particularly prevalent and impactful in psychiatric patients. This concise book written by a leading expert in behavioral sleep medicine, presents innovative, up-to-date assessment methods and empirically supported intervention strategies, including the gold-standard cognitive-behavioral therapy for nightmares. Mental health professionals, researchers, and students will learn to correctly identify and diagnose nightmare disorder and gain access to downloadable resources for patients to log and monitor their symptoms and treatment progress. This invaluable resource also offers practical tools for treating nightmares that co-occur with other psychological and sleep-related disorders. Whether you are seeking to expand your clinical expertise or deepen your research knowledge, this book is your definitive guide to managing nightmares effectively.