10/08/2026
If you only hear mice at night, that's not a coincidence. Mice are most active after dark, which is when they leave the nest to look for food and water.
They also tend to travel along baseboards, walls, and other fixed edges rather than crossing open floor space. That habit is part of why scratching sounds seem to come from inside a wall rather than the middle of a room.
Knowing the pattern helps explain what you're hearing, even before you see any other sign of activity.