Can a refreshment break whilst driving lessen the driver’s tiredness?

1. It can drive the tiredness away completely.
2. Yes, for a long time.
3. Absolutely yes, and it is even better, on the long run, than taking a rest outside the vehicle.
4. Correct answer: Yes, for a short time.

WhyA break helps, but only for a short time. It does not remove tiredness completely.