When I took care of my elderly parents (both with early Alzheimer’s Disease), I was surprised at how different their symptoms were with the same diagnosis. Mom would stay up all day and sleep fairly well at night, while dad was just the opposite–which meant I was up around-the-clock and never got enough rest.

I tried everything to get my father up and active during the day so he’d sleep through the night. I swear, I loudly opened drapes and windows, vacuumed, turned on his TV, slammed...