DEVICE ON A VEHICLE, METHOD FOR PREVENTING SLEEPY DRIVING, AND PROGRAM FOR PREVENTING SLEEPY DRIVING

摘要

A device on a vehicle (1) attached to a vehicle, the device on a vehicle comprising: a passenger condition determination unit (12) for determining whether a passenger is sleeping, the passenger being a person driving in the vehicle, but is not a driver; and an activity executing unit (20) for performing a drowsiness preventing activity to prevent the driver from feeling drowsy when the passenger condition determination unit determines that the passenger is sleeping, characterized in that the activity performing unit moves a contact part of parts of the vehicle with which the When the drowsiness prevention activity is in contact with the driver, or when a travel route to a destination of the vehicle is set and navigation is performed according to the travel route, the activity executing unit instead of the travel route sets a new travel route by which the driver feels less sleepy compared to that Travel route, and performs navigation according to the new travel route as the drowsiness prevention activity, or the activity execution unit calculates a travel speed that causes the vehicle to stop at a traffic light and so on r ensures that the vehicle travels at the calculated cruising speed as the sleepiness preventing activity, or the activity performing unit changes music played in the vehicle to music that makes the driver feel less sleepy than the sleepiness preventing activity.