If you care for a parent with memory loss, you probably know the "4 PM Shift." All day long, things are fine. Mom eats her breakfast, watches TV, and chats with you. But as the afternoon goes on usually around dinner time something changes. She starts pacing. She gets cranky or anxious. She might pull at her clothes or keep asking to "go home," even though she is already sitting in her own living room. This isn't "bad behavior." It is a medical condition called Sundowning (or