Health companion robots with artificial intelligence for medical health monitoring, safety monitoring, patient support, and therapeutic use, namely, tabletop companion devices, humanoid robots, and mobile robots; companion medical robots for therapeutic use; medical apparatus and instruments for monitoring, measuring, and tracking vital signs and physiological parameters; contactless medical monitoring sensors and apparatus for measuring vital signs, respiration, gait, mobility, sleep, personal safety, and fall risk; wearable health and safety monitoring devices and sensor units for medical purposes, namely, devices for measuring, displaying, and transmitting vital signs, biometric data, body movement, gait, mobility, and sleep data; apparatus for therapeutic use in providing behavioral health support, cognitive engagement, and companionship for patients; assistive medical devices for health monitoring, patient safety monitoring, chronic disease management, and independent living; personal medical alert devices; fall detection and alerting apparatus for medical purposes; automatic medication-dispensing apparatus for medical use; Sensors for measuring and monitoring physiological, health, and wellness data, namely, heart rate, heart rate variability, breathing rate, and voice characteristics, for non-medical or health monitoring purposes; wearable physiological monitors for tracking health and wellness metrics; conversational AI-enabled device providing medical, health, wellness, and personal assistance information