She started suffering from dementia and was a severe alcoholic. She died alone, after she fell in her hallway and was there a few days.

My biggest regret is not thinking of getting her one of those necklaces where she would have been able to call 911, or one that would have done it automatically upon noticing a fall.

So... if you have someone in a similar situation, maybe look into it. Maybe if this post helps one person, it will be worth writing.