Aikidoka... I'm guessing that's "student", or is it more specific than that?
Thanks for the advice! I wanted to go anyway (I used to swim and play soccer in college, and practicing when tired was a great way to get energy back... or at least ensure a good nights sleep
As for practicing hungover.... well... yeah.... I plead the 5th (although I can honestly say that I haven't gone to the dojo hungover (tonight will be my third class
<Edit> Hey, sometimes telling someone not to attack you because you're tired may work! I've actually avoided a fight in a bar before by saying "Hey man... I feel like crap right now... you mind if we do this later?" the guy just looked confused and stumbled off... brilliant! </Edit>