I am getting goats next week and have closed in part of my barn for them to have a large stall to themselves. Here are my questions? Do goats sleep on the ground or should i build them some sort of wood decking in the stall? If I use old hay that may have a little mold in it for the floor of the stall, will they eat it if I have fresh hay available? Will they return to their stall in the evenings to sleep or will I have to chase them down? I plan to feed them in their stall. Is it ok to lock them up in the stall at night and let them out at daylight? I'm concerned about night predators if I do not lock them up.