They probably also check for movements, blinks, etc. In any case, it should be viewed as an help for the driver (beep when falling asleep), rather than somethin

They probably also check for movements, blinks, etc. In any case, it should be viewed as an help for the driver (beep when falling asleep), rather than something working against him. If you wan to actively fool the device, do as you please (the software is open-source, after all, you can probably fork it to disable that feature) but face the consequences: your life is on the line!