Aaaw! I do that. In fact I did that the other day. I gave myself a few hours and actually was feeling refreshed later. Better than I had before the said, cry. Of course I couldn't stop crying once I started, but after it was over I felt ten times better!! I guess I needed a good cry.
Maybe you should keep crying until you are done, and committ to moving on with your day when it is over!
(That worked for me but I can't guarantee that it works for everyone)
I want to ask what the dream was about but I am not going to. ::Polite::