Across aging societies, the number of people living with dementia is outpacing the caregivers available to watch over them — a quiet crisis that technology is beginning to address, not by replacing human presence, but by extending what human presence can perceive. Smart beds and motion sensors now offer continuous, non-intrusive monitoring of patient movement and vital signs, alerting staff to falls, nighttime wandering, and subtle health changes before they become emergencies. The promise is not a machine that cares, but a tool that allows those who do care to do so with better information an