I've been sitting on this one for just over a month. In the first week of September I stayed at an Autograph Property. I had marked no housekeeping, I was only there for 2 nights, and as a solo business traveler, I don't need it. This happened within 24 hours of my check-in.
Well, I arrive back to my room after work and notice housekeeping came through. How did I notice? My bed was made, the two complementary water bottles were replenished, and that was it, at least that was the only correct things housekeeping had done.
What other signs existed that someone had entered my room? Well a female used my toilet, left the seat lid up, and did not flush. My receipt from CVS that I had sitting on the desk had its $4 off coupon ripped off from the bottom and was gone. And the garbage cans were not emptied.
I searched through all my property and couldn't find anything missing, but the whole thing left me pretty uneasy. Given 20k points, and free breakfast which I couldn't use due to an early departure the next day. I had even questioned talking to the front desk, because of how odd this all sounds.