My mother and grandmother have come to me in dreams since their passing, and usually my dream self is aware that they are no longer with us, and is extra super fighty to wring as much dream time with them as possible before waking up. Sometimes I wake up upset and mournful, other times, I can still feel their hugs and feel all warm and happy. Brains are pretty weird.

To me it just sounds like your subconscious feels like you didn’t take it seriously at the time, remorse as it were