90 year old grandma is not acting like she did a month ago. she is demanding, she doesn't want to go to bed she wants to stay in the living room. she is picking at her blankets.she tells my mom that she has to tell her when she is leaving the room,like going outside or upstairs. she said to my mom she needs to know where she is at all times in case she needs to go to the bathroom.she has stopped having normal conversations with us. she basically only talks when we ask her a question. last month she would talk up a storm and wanted to go out to lunch,get a manicure and a perm. now she says she is tired and just wants to sleep.she isnt on medications and has no fatal medical issues. she has no dementia ,she has hearing loss walks with a walker because ,well she is old.i told my mom i think grandma is in the process of dying .that she doesn't really mean to be mean and she cant help what she is doing,my mom and aunt think she is acting up on purpose for attention. i think my mom and aunt dont want to face that their mother is going to die at some point. i dont think grandma will be around to much longer. what is the process of the elderly getting ready to pass over just from old age not any major illnesses like cancer.