The cat stumbled through the rooms, too excited to run straight.
Why? It was time! It was time to run and chase nothing in particular. It was time for nonsense!
A skid bumped a tall spindly table hard enough to tip a book off as it wobbled. A throw-rug was thrown, a key plopped into a mug, and the corner of the wall was scratched.
Finally, the top of the bookshelf traded dust for fur.
Truly a wonderfully productive middle-of-the-night.