"Driver drowsiness" refers to the state of feeling sleepy or tired while driving a vehicle, which can make it difficult to stay focused and react quickly on the road. Full definition
You get an automatic forward collision prevention braking system and warning called Collision Prevention Assist Plus, as well as the ATTENTION ASSIST ® driver drowsiness monitor. (mercedeshoffman.com)
Pedestrian detection and driver drowsiness detection are new safety features. (consumerguide.com)
In addition to up to eight airbags (depending on configuration), the ban also comes with standard safety features such as tire pressure monitoring, Attention Assist (which detects driver drowsiness and issues alerts as needed) and crosswind assist (designed to counter the effects of strong crosswinds). (autofile.ca)