Yes, when I'm utterly engrossed in a problem, like when my routine is basically eat, sleep, work and repeat. I dream about it as well. It isn't limited to code

Yes, when I'm utterly engrossed in a problem, like when my routine is basically eat, sleep, work and repeat. I dream about it as well. It isn't limited to code, when I was a kid I used to wake up dreaming of Tiberium Sun, and Red Alert 2. It's lately been code though.