There's probably a way, but the alcoholism system is a bit complicated, there's a way to force a stage, but that would not set the right variables for the Valerie event, so please play the game as intended use the sleep system and don't try to solve everything with using the console... (also sleeping is a good thing, out of the top of my head at least one of the events only happens if you sleep...)
Why skip days back, when you can wait a week?
And Val goes to Yoga on Tuesday and Thursday once you're far enough with the Yoga quest...
Which version are you playing?
