health buses
It was night, had rained recently and I was bundled up against the cold. I was looking up at the bus stops and fiddling with my phone, trying to figure out when the next bus was coming. I'd been to a few stops at this point and the buses hadn't come so I'd walked to another bus line. I realized the buses corresponded to healthy levels of things like potassium or neurotransmitters in my body, and that these buses weren't coming because I am getting healthier. My task was to figure out what bus I needed to take, not take whatever bus might come along.
I think I woke up then. Very realistic dream that I interpreted inside the dream without realizing that I was dreaming.