Those "real" dreams can be freaky. Once, when I had just started working for G.M., I "woke" up only to notice my alarm hadn't gone off. It was 20 minutes until starting time! I jumped out of bed, started scrambling my clothes on and looked at the clock to see how much time I had, and it was 2:30am! Two hours before I had to wake up. I KNOW I saw the time right at first, and surmised I dreamed the late hour. Then I had obviously REALLY woke up thinking I'll be late for work.
Weird. Another aspect that bugs me about most my dreams is that they are dark. I'm in a dark room, or it's dark outside. In spite of that, I still see everything clearly. Most of the time, anyway. I also lose my strength. If I have to hit someone in a dream, my blows land so weakly I often wake up out of frustration.
I, too, wonder what it all means.