Sound healing uses musical tones, frequencies, and vibrations to improve physical and mental well-being. How It Works - Soothing sounds and rhythms activate your parasympathetic nervous system, which slows your heart rate and relaxes muscles. - Sound frequencies help shift your brain from active, stressed states (beta waves) to slower, meditative states (alpha, theta, or delta waves). - Physical sound waves and low-frequency vibrations touch the skin and body tissues, which m