Hearing scratching in your ceiling is a common warning sign of rats or mice, especially at night

https://daltonnzom925.talesignal.com/posts/what-to-do-if-you-hear-scratching-in-your-ceiling-2

Hearing scratching in your ceiling is a common warning sign of rats or mice, especially at night, and it may point to activity in attics, walls, or ceiling voids.