[anonymous]

See my posts regarding dementia in this thread
./forums/topic/blood-work-still-off/

I would give small frequent meals, presoaked in water if you are using kibble. Wet food is fine, whatever works.

Talk to your vet, ask about medication, see what he recommends. Especially to get through the night.
If possible, keep him awake during the day, take him for walks as tolerated.

PS:You may find this site helpful. https://dogdementia.com/treatment/