Nap Alarm is for anyone who has ever felt drowsy or dozed off while driving only to be alerted by the blaring horn of an oncoming car.  It is worn over the ear and has an electronic position sensor.  When your head falls forward is sounds a loud alarm to instantly wake you and/or passengers.

Also ideal for anyone who needs to be fully alert while on duty or for students need to study for exams.  Uses three AG alkaline button cell batteries which are not included.