In January or February I was cleaning and jammed my finger straight on into a doorjam... after that the tip of my ring finger was numb (but like you said, I could FEEL it, it would just have this WEIRD sensation when I'd use that hand, especially taking clothes out of the washing machine! It felt like that all the time - just 2 days ago I realized that "numb" feeling is gone - so you MAY have hurt that toe - whether you remember or not. How long has this been going on? It could last MONTHS. I doubt it has to do with the sciatic nerve, but who knows! I still say you may have jammed it at one point. (didn't even have to be hard, just enough to hurt the nerves in the toe.