Like many pet owners, my partner and I have a long list of nonsensical nicknames for our 10-year-old tabby, Ace: sugarplum, booboo, Angela Merkel, sharp claw, clompers, night fury, poof ball. But we reserve one nickname for a very specific time each month, when Ace is more restless than usual in the daytime hours, skulking around from room to room instead of snoozing on a blanket. Or when his evening sprints become turbocharged, and he parkours off the walls and the furniture to achieve maximum speed. On those nights, the…