I’m going to call this”Phoetry”. In that moment before sleep, try to grasp and stay hold the image that comes into your mind. Whatever comes first. Then add another to it. Don’t try to make sense of it; just try to remember for the next day. I found I could only retain two as I would then forget the details of the first one. You might be able to do more. This was one of mine from last night.
I’ve always wished I could photograph my dreams, or scenes from my dreams. Perhaps this is the closest thing to it. When you search for your photos (I went into “flikr”, try not to get distracted from your initial “vision”.