During which time do drowsy driving crashes most often occur?

• During rush hour in urban areas
• Between midnight and 6 a.m., or in the late afternoon
  Explanation:

  "Drowsy driving crashes most often occur between midnight and 6 a.m. or in the late afternoon. They typically involve a single driver, with no passengers, running off the road at a high speed. These accidents are more common on rural roads and highways."
• At peak hours
• All of the above