A little insight into my writing method...

As a writer, inspiration can come from anywhere. In my case, a lot of it comes from daydreams or regular dreams. Last night, for instance, my brain dreamed up an amazing location (that I really wish was real). It was so vivid to me and stuck in my mind so hard that I had to roughly sketch it from a few angles when I woke up. Now my task becomes deciding whether to incorporate it into one of my existing works or to start something new for it (the setting came with a plot in my dream that I could easily expand). What to do? What to do?