A monitoring system includes one or more monitoring devices configured to detect conditions related to a monitored person and an artificial intelligence module configured to analyze historical information related to conditions of the monitored person and current information related to conditions of the monitored person and determine whether to generate an alert signal based on the analysis. The artificial intelligence module may also be configured to update the historical information related to the conditions of the monitored person based on the current information and responses to the alert signals. The system includes a moveable sensor and a monitored-person identification subsystem.