[2020] Grace not spawning in Bob's boar house

Originally posted by xerxius: Btw did you enter from the house or did you dig down? It might have a spawn trigger on the path you're "supposed to" take.

I keep hearing rumors of spawn triggers, but I’ve been making prefabs with sleepers and I have yet to discover any way to make such a thing. As near as I can tell, sleepers spawn when you get close to their volume from any direction, period.