Generate an original joke about a car.
Why don't cars ever sleep?

Because they are always on the road, and they don't want to be caught napping at the wheel!
Complete the following task based on the instruction and optional input provided.### Instruction:
Generate an original joke about a car.

### Output:
Why don't cars ever sleep?

Because they are always on the road, and they don't want to be caught napping at the wheel!