With nothing to do, they tend to wander around and out of the building. We need to collect data to see if a schedule of activities prevents wandering off and getting lost or other "escaping" attempts.
Programs are less labour intensive when people are scheduled together in small groups. A supply cart on wheels can be rolled any place in or outside; the end of the hallway or the lobby are often available. The point is to get them out of their bedrooms, and let friends, visitors, administrators see what they can still do.