Book excerpt: In this issue of Sleep Medicine Clinics, guest editor Dr. Joshua Hyong-Jin Cho brings his considerable expertise to the topic of Adjunct Interventions to Cognitive Behavioral Therapy (CBT) for Insomnia. Top experts in the field cover key adjunct treatments to CBT-I such as paradoxical intention; circadian rhythm regulation; behavioral activation; exercise; intensive sleep retraining; mindfulness; acceptance and commitment therapy (ACT); and many more. - Contains 14 relevant, practice-oriented topics covering key adjunct treatments to CBT-I, including biofeedback; stimulant medications; hypnotic medications; wearable devices; and more. - Provides in-depth clinical reviews on adjunct interventions to cognitive behavioral therapy for insomnia, offering actionable insights for clinical practice. - Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews.