i'm writing sort of from the sand tray i did last week. here's some so far (not that the sand tray has even come up yet haha):

"It's a rare opportunity indeed," I thought, "being able to actually set up and create my dreams. And for science, yet!" I giggled. This thought was foremost in my mind as I opened the door to the Southwest Desert Sleep Lab, where the experiments on Dream Creation and Control would be taking place. I'd gone through quite a bit of psychological testing to get to this point, and had even been able to finagle a week off of work in order to participate. As I entered the building, I felt excited and ready to see where this would go.
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that's all I have so far besides some jotted notes. the sand tray is going to come in later when one of the experiments starts, my character will create a sand tray in a special box that has electrodes lining the box underneath the sand, connected to wires that are then attached to some futuristic kind of equipment that will carry the signals from what is created in the sand to the creator's brain as she sleeps and at the proper moment as REM sleep begins. Or something like that. I get all these crazy ideas for stories and then i can't figure out how to write the technical parts ahaha