I did some more research and discovered that there can be a significant reaction between
to a lesser extent, wellburitin) and
stimulant meds. When I mentioned the sleepy feeling you had sounded more like an overdose - that now makes sense.
Here is a link to info on the interactions - http://www.corepsychblog.com/2006/11/adderall-prozac-and-paxil-problem-not-solution/
and its easy to google to find more info.