No, look closer. You using:

isin should be ==
%on should be on

and you also have some } in wrong places, you cant use it the way you do.

msg $chan This seems to be working.}
msg $chan this isn't working}

This make you end up with a bad result.

if ($me != tired) { return } | else { echo -a Get a pot of coffee now $+($me,.) }