Abstract: The invention relates to a method for monitoring the driver of an automotive vehicle comprising the following steps: a) estimation of a state of vigilance of said driver and, b) emission of at least one alarm signal intended to inform the driver regarding their state of vigilance, as a function of the driver's estimated state of vigilance, this method furthermore comprising the following prior steps of personalizing the alarm: choice by the driver of said at least one alarm signal suitable for being emitted in step b), from among a predetermined set of alarm signals, recording of each chosen alarm signal, in correspondence with an identifier of the driver in a personalized database. The invention also relates to the associated device.