falling asleep at the wheel; drowsy driving
Refers to the dangerous act of dozing off while driving. Often used in traffic safety contexts.
Accidents caused by falling asleep at the wheel are increasing.
I almost fell asleep at the wheel after driving for a long time.
Refers to distracted driving, specifically looking away from the road, whereas 居眠り運転 is about drowsiness.
Drunk driving; a different dangerous driving behavior, often mentioned alongside 居眠り運転 in safety campaigns.
Compound of 居眠り (inemuri, 'dozing off') and 運転 (unten, 'driving').