The concept of Sangyaharan (Anesthesia) in Ayurveda is a deeply rooted physiological and pathological state described across the Brihatrayi. This study reviews the terminology used by Acharyas Charaka, Sushruta, and Vagbhata to describe the loss of consciousness and sensory perception. By analyzing synonyms like Sangyanash, Murchha, and Moham, this review bridges the gap between ancient Ayurvedic wisdom and modern anesthetic principles.