Rewrite the given sentence informally.
She did not need to stay up all night for the exam.
She didn't need to pull an all-nighter for the exam.
Complete the following task based on the instruction and optional input provided.### Instruction:
Rewrite the given sentence informally.

### Input:
She did not need to stay up all night for the exam.

### Output:
She didn't need to pull an all-nighter for the exam.