Last night I had a dream where I became lucid on a bus where I was with my wife and a number of other people. I started rubbing my wife's shoulders to help stabilize as well as to "get some things going" in the dream. But within a few seconds everything went dark. However, I kept rubbing and concentrating on the fact that I could still feel her just fine. I thought about "opening my eyes" (my dream eyes), but in the past when I did that I would wake up... I think being early morning I was close to the awake state. Anyway, I hadn't closed my dream eyes so I rationalized they were already open. So instead of opening my eyes I just waited for them to start working and sort of tried imagining seeing. Shortly the vision came back and I got several minutes of lucid dreaming instead of several seconds. So don't make the mistake of opening your eyes!