Hi, my dad was diagnosed with Alzheimer. It’s been like this over two years. He can’t walk he can’t do any function except screaming every 5 seconds as long as he is awake !! Is that something normal !?? He is killing everyone alive with his continuous loud noisy sound which is good enough to good normal human out of mind . What is causing this? Is there any solution? His noisy sound can’t be taken by any one any more. I would appreciate if we can get directed for this issue since it’s been a wa