Practice question

Why is sleep debt dangerous for CMV drivers?

  1. Repeated lack of sleep reduces alertness even if the driver feels used to it
  2. It improves reaction time through practice
  3. It matters only after midnight
  4. It is cured by turning on air conditioning

Answer: A — Repeated lack of sleep reduces alertness even if the driver feels used to it

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Missouri CDL General Knowledge Practice Questions - Missouri Commercial Driver License General Knowledge Test Exam →