In this episode, Dr. Seema Khosla examines the complexities of central sleep apnea (CSA) with sleep medicine experts Dr. Vaishnavi Kundel, Dr. Rami N. Khayat, and Dr. Aneesa Das. The discussion moves beyond basic definitions to explore the critical limitations of home sleep apnea testing in accurately detecting CSA and when in-lab polysomnography becomes essential. The conversation addresses important clinical distinctions between post-arousal, transitional, and mixed apneas, challenging common assumptions about their significance and treatment approaches. The panel provides clarity on various CSA etiologies, including heart failure-related periodic breathing, medication-induced central apneas, treatment-emergent CSA, and neurological disorders. Discover evidence-based perspectives on treatment strategies, including updated views on adaptive servo-ventilation since the SERVE-HF trial, indications for phrenic nerve stimulation, and the potential of combination therapies. Learn when to consider alternative approaches like dead-space ventilation, supplemental oxygen, and acetazolamide, either alone or as part of hybrid treatment plans. The discussion also examines practical clinical questions: Does distinguishing between obstructive and central apnea matter if treatment approaches overlap? When should patients with suspected CSA undergo in-lab studies versus home testing? What guidance should clinicians follow for patients with ejection fractions below 45%? Whether you're managing complex sleep disorders or encountering CSA in primary care, this episode provides essential insights for optimizing patient outcomes through accurate diagnosis and appropriate treatment selection.