His combination of heart/lung issues probably means less oxygen is reaching his brain making it sluggish.. Together with hot weather and early alzheimers he is probably in a mental cloud of lack of attention, forgetfulness and confusion.
It's going to get worse and perhaps you will need to adjust the way you get the message across.
doesn't react to requests for a modicum of help
Try reframing it very clear and direct.
Instead of "please can you lend a hand putting the clean laundry away ? " try
"Jim, put these sheets in the linen cupboard, thankyou. ".
You might also put reminder stickers around the house to prompt his memory . such as "pants" and "socks" on the relevant drawers.
If you can get help, it's time to arrange it now, to protect your own wellbeing. Perhaps someone will keep him company so you can have a regular break of a day to yourself out of the house. Or, if a paid carer can take him out for a day, (or just walk, cinema, lunch ) you can have some peace at home. My neighbour who went through this , arranged for her husband to spend a day a week in a day care centre.
Yes, Why Are SUV's Getting Even Bigger?



