OK, I'm trying desperately to come up with a rational explanation for what I just discovered.
A few days ago, I got out my "stink finder". It's long-wave UV light which detects stains in carpets, etc. It's about the size of a small flashlight.
Matter of fact, in addition to the UV bulb, it has a regular flashlight on one end.
I had used the UV part and then left it sitting on my desk for a few days now.
I just came home from work and found the flashlight on.
I didn't use that part of the flashlight. It wasn't on and hasn't been for days.
Who turned it on?
It has a switch, one of those flat slide buttons that sit in the middle for 'off' then you click it to one side to turn on the UV, and you click it past off and then to the other side to click 'on[' the regular flashlight part.
The switch side was face down on the desk. The only way it can be accidentally turned on is if someone was exerting pressure down on it and slid the switch
over the edge of my desk to catch the edge to flip it on. Then shoved it back again.
My cats? Is it possible for them to do that?