A method for preventing drowsy driving in consideration of an alertness of the driver is disclosed. A method for preventing drowsy driving according to an exemplary embodiment of the present disclosure includes determining an alertness level of a driver based on monitoring information from at least one monitoring unit equipped in a vehicle, determining a stimulus corresponding to at least one of a plurality of stimulation units, based on the determined alertness level, and operating at least one stimulation unit corresponding to the stimulus. A stimulus to be delivered to the driver is determined by a machine learning or deep learning technology using an artificial neural network which has been trained to output a stimulus suitable to improve an alertness of the driver depending on the identity and the state of the driver. According to the present disclosure, an optimal stimulus in accordance with the identity of the driver and the state of the driver is delivered to the driver so that a drowsy driving prevention effect can be improved.
METHOD, SYSTEM, AND VEHICLE FOR PREVENTING DROWSY DRIVING