Also stayed in the Renaissance, and concur on the noise. We actually had a group right outside our door at one point at like 1 in the morning, it was quite loud from inside our room. Didn't love it given the time of night, but at one point they suddenly stopped so I imagine another room must have said something to them. We've been in Renaissance each year since coming to DC and generally never have complaints (besides the sliding bathroom door, which like you I hate, lol). My only issue this year is that the room we ended up in had only a single semi-transparent shade to pull down over the win