Originally Posted by
Antarius
I've checked in after midnight at least 5 times this year and there were no issues. Although I always mobile check in, so even though that doesnt truly do a check in, it likely alerts to hotel so when they ready the room and keys, it is before midnight.
that's the way to do it to avoid the problem the OP is likely posting about. Post midnight arrivals somehow mess up the night count unless you check in online before you arrive.
It can be fixed via Marriott customer care, but it is a bit of a pain.