Dreaming about being in an alley implies limited options, because alleys are sometimes dead ends.
It can mean you have been sidetracked or diverted from where you want to be. You’re not on the main road.
Or perhaps you have put yourself in some sort of jeopardy, because a “dark alley” is typically a dangerous setting, day or night. On the other hand, something that’s “rightup your alley” means it’s perfect for you.
You are transitioning to a new phase of life, taking a nontraditional route, changing plans as you go, possibly hiding from public view. An alley is a shortcut or escape route on your path through life.
Alleys — behindhouses, narrow, and often containing refuse — represent the subconscious mind and experiences that are slightly negative or dangerous. You feel anxiety about being attacked or heading into a dead-end.
Something is “right up your alley,” or perfect for you. You are looking behind the scenes of the normal view, seeing what’s revealed in the inner lives of others.