The present disclosure concerns a system comprising an evaluation unit and a sensor, wherein the sensor can measure a vital parameter of an organism and the evaluation unit allows to conduct an evaluation based on the measured vital parameter. The evaluation unit is configured such that the evaluation unit can send a command signal to an external device, particularly to a household appliance, in dependency of a result of the evaluation, so that the external device carries out an action based on the command signal. The present disclosure also concerns a use, a method and a computer program product. The user can thereby save time and a very high operating comfort can be realized.
