Back in my pagemonkey days, I would occasionally dream in HTML. The dream would involve bizarre tags that I didn't understand. (So, unbeknownst to me, I was really dreaming in XML!)

Nowadays I'm far more likely to dream in Quake or Diablo II. At least in the dreams I remember...

Once, when slightly feverish, a die-hard sysadmin friend of mine dreamed she was the UNIX operating system. When the alarm went off, she dreamed of a SIGALARM and kept trying to trap the signal...

stephen