Hi.
I recently posted about the problems my poor Mil was having with very vivid and scary dreams. Some mornings she would be initially upset, very confused and agitated - but within an hour or so, she had completely forgotten the dream and would say that she had 'slept well, all night'.
Other mornings were a very different story. She would usually recognize that she had had a 'nightmare', but very quickly she could become convinced that it was an actual event/situation, and not a dream, that she had experienced. When this happened, we could get full days where her agitation and confusion were much worse - she would be tearful and very fearful all day. And her conviction that the 'nightmare' was a reality was impossible to shake. It caused her a hell of a lot of distress - I have seen her stood, peeping through the curtains, looking for the dragons that had been chasing her the night before. And I've had days where she has begged me repeatedly not to send her 'back to that awful place', that she had (she believed) spent the previous night in
I spoke to her CPN, just before Christmas, both about the 'dreams', and because she - even on days where there had been no nightmares - seemed very 'low'. The CPN recommended an anti depressant, that also was very effective as a sleep medication, and for about 2 - 3 weeks, I think, we had no dreams. Then they crept back, worse than ever, and the CPN said she felt that they were not 'dreams' as such, but probably hallucinations (which Mil has regularly throughout some days, though the 'waking ones' rarely seem to stress her out at the moment). The CPN recommended increasing the anti depressant dosage - which we did, and so far, no dreams - but there is a likelihood that the anti depressants will become less effective as her condition deteriorates - and there comes a point where you can't increase the dosage anymore.
I don't know from your post if the extent of the confusion your Mum is having after dreams is bad enough for you consider talking to your GP/CPN, but I guess its there as an avenue for you to explore if you need it. I hope it reassures you at least to see that quite a few dementia sufferers have experienced this - I often finds it helps to know others have had similar experiences
x