Cup0coffee66928dAt this point you know you've done something wrong when your dreams are like this!
Inxentas53428dDon't worry TOO much. The sleeping mind is known to jumble together random information you might have picked up. It's not that uncommon to come across something you "didn't know".
You just didn't knew you know. But now you know!
Lor-inc491628dI distinctly remember a dream where I was setting margin and padding on real life objects, because I wanted to clean the wall behind a cabinet. I ended up setting the selectors too broad and my organs got a margin of 1.5m