Physical Condition of the Driver

Which of the following factors increases drowsiness while driving?

Reviewed on 9 Aug 2026

Question image: Which of the following factors increases drowsiness while driving?
  • A Driving after a full night of rest
  • ✓ Driving on quiet, monotonous roads
  • C Driving with music at a moderate volume
  • D Driving through a busy city

Why this is the correct answer

Sleeping few hours, changing your usual sleep schedule, driving on roads with little traffic, taking alcohol or medication, and driving at dawn or midday after eating all increase drowsiness.

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