My mother was the picture of health and happiness when she got early onset Alzheimer's. She was always a very light sleeper, to the point she couldn't even sle

My mother was the picture of health and happiness when she got early onset Alzheimer's. She was always a very light sleeper, to the point she couldn't even sleep in the same bed with dad for many years. As I have nothing lifestyle related to blame for her disease, I wonder whether her brain's glymphatic system was awry.