Here I thought I was the only one. At about 10:30 he'll get up and and look for a human to accompany him upstairs for teeth brushing and blanket service. When the humans he finds are a bit slow, he'll stand in the most annoying way 35 kilos of street dog can stand. I can't explain, but he manages to convey the message by just standing around in the general vicinity of his chosen service person that night until you move, then he walks ahead of you a few steps upstairs, bathroom, teeth brush, bedroom, his corner, blanket over dog please, deep sigh, paw stretching.