There are quite a few things available for folks living alone Serendipity22 that could help ease the minds of the elderly persons next of kin and I bet the alarm and mat helped to ease your mind.
I always leave my bathroom door open Meryl.
Already had two falls while in there and I have to use a trolley to get round my bungalow now so it would be impossible for anyone to get in if I shut my door.
As I live alone it does not really matter BUT it would be one reason why I would NOT like CCTV inside my home.
The Republic of Ireland and their tensions with migrants.