I have heard that light switches and reading time don't really work in the dream world, and they can be used as dream signs. I thought of another dream sign while I was trying to WILD. As I was drifting away with my thoughts I saw myself holding a spray can. I was able to spray paint sometimes, and other times I couldn't (mind you, this was just a thought and not a dream).

Can some LDier try this in a dream please?