C-Rebro Alpha by Gamma-Wave is a neuroscience-backed sleep wearable that tracks and enhances sleep in real time. Using PPG-based biometrics and bone conduction neurostimulation, it reduces time to fall asleep, increases slow-wave sleep, and offers an optional REM stimulation mode to boost creativity and lucid dreaming potential. Adaptive AI learns individual patterns to fine-tune stimulation and deliver personalized sleep optimization, with analytics and recommendations for better brain health and next-day performance.