I know this is an old thread, but what the hell. This practice is very dangerous, to be quite honest. From a health perspective, I doubt anything will go wrong, but the real danger in this practice lies in the potential social consequences. There have been many times in my life where I've taken a couple of pills and headed out to the bar for a night of fun and debauchery. Fast forward 12 hours and I'm waking up in County Jail with no money and no recollection of what had happend.
This is what happens when you combing Benzodiazepines, Alcohol and leaving the house. You could have a really awesome time or you could end up ruining your life.