What indications mean you should interrupt your journey?

You answered correctly. Frequent yawning, trouble keeping your eyes open, and difficulty staying in your lane are all clear warning signs of fatigue or reduced concentration while driving. These symptoms indicate that your ability to drive safely is compromised and that you should interrupt your journey. Taking a break, getting fresh air, or even taking a short nap can help restore alertness. Recognizing and reacting to these signs is an important part of responsible and safe driving in Germany.