A method of monitoring incapacity of a subject which includes the steps of continuously monitoring eye and eyelid movement of at least one eye of the subject； analyzing eye and eyelid movements to obtain measures of ocular quiescence and the duration of an interval of no eye or eyelid movement； and if the duration of ocular quiescence exceeds a predetermined value providing a potential incapacity warning and requesting a response within a predetermined period, and applying an emergency procedure if no response is made within a predetermined interval.
