A 118 RAW, yes. It probably falls under the same umbrella as Counters, where the Stance's ability can't be used if the attack roll is a Natural 20, as it's Counter-like. The sidebar in Path of War only talks about Counters, though, and Sleeping Goddess is a Path of War - Expanded discipline, so it's not specially addressed. You can ask in the Path of War FAQ thread about it, though.