Although I dream quite a bit, they tend to be very fugitive once I awake. Here is a curious one that stands out in my mind though. This dream has happened a couple times. I dream that I am dreaming but my dream is cut short by my alarm clock. It is time to get up for work. I dream that I think it can't be time to get up for work because I'm too tired. I dream that I sit up in bed and look at my clock to confirm that yes, it is that unhappy time.
Then I actually get up, shut off my alarm (that I have dreamt is ringing), and actually stagger off to the shower..... On both occasions I have showered and have been half dressed before I realize it is something like 2:00 in the morning and I have become way dislocated in time. On both occasions, I'm sure the dream was related to some kind of work anxiety.