When is a driver most at risk of falling asleep at the wheel?

Answer and explanation

Correct answer: B. In the early hours of the morning and in the early afternoon

  1. Step 1: The body's natural rhythm causes alertness to drop early in the morning and after lunch.
Answer
In the early hours of the morning and in the early afternoon.
Why not the others: In the middle of the morning, when traffic is at its busiest, Late in the evening after a long and heavy meal and Only in the first half hour of any journey don't fit.

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