Hi @caroline58, I inserted your text into Google translate to translate the Swedish message into English:
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English translation:
I work as a nurse and followed my mother who became demented, my sister followed her last week and last days with singing and music, holding and caressing her hand, telling memories. Sometimes we just sat and told memories and when we played her music we asked - do you remember? if she didn't answer we told some childhood memories.

If she didn't want to eat, then try ice cream with thickener by the teaspoon or cream with a little jam from a bottle. Eventually they lose the ability to swallow and then you can still smear something good on the tongue in a thin layer, blend the banana. Oral care is important buy oral care sticks you can recycle them by dipping them in mouthwash for children. Warmth and smiles and caressing the cheek slowly. Just that you/you sit there and wail your hand can be enough. It's hard when they don't want to/understand how to eat at all but they are rarely hungry. Hugs!