I feel for you Austin. That is my biggest fears with WIZIQ especially as I seem to forget things more often as I get older.
I think WIZIQ will be releasing an assistant moderator function so if you have a regular student who attends your classes he will be able to open the class and provide some content in the teachers absence.
This is also to cover the contingency of technical glitches which look the same as teacher sleeping in.
We actually covered a work-around for this situation in one of our earlier "Me ESL Friends" meetings at WIZIQ. Here is a link to the blog: http://myeslfriends.blogspot.com/2009/11/notes-on-mef-104.html
or here is the class where we created a skit of just your situation