My mother is 92, in a seniors home. I live 2.5 hrs away, so I call every night. If I am a few minutes late calling - she makes me feel bad. She does not have Alzheimer's, but says the same things every night, like I have never heard it before. She talks about people that I know like I don't know them. Is this normal for her age. She says she doesn't sleep at all. But she must be, right?