The various implementations described herein include methods and systems for protecting unattended children in the home. In one aspect, a method is performed at computer system. The computer system: (1) receives occupancy data for a room in a smart home environment; (2) determines based on the received occupancy data whether a predetermined child-protection alert condition is met; (3) in accordance with a determination that the condition is met, presents or sends instructions to issue a child-protection alert; (4) receives a request to cancel the child-protection alert; (5) in accordance with a determination that the request is a first type of cancellation request, cancels the child-protection alert and modifies the predetermined child-protection alert condition; and (6) in accordance with a determination that the request is a second type of cancellation request, cancels the child-protection alert and foregoes modifying the predetermined child-protection alert condition.