I just started yesterday and was previously on klonopin, ran out and the re-order got screwed up so I had to be off of anything for about a month. I did in fact have some "brain zaps" that awoke me out of my sleep. I got the Xanax and immediately took two 1mg tabs. I don't even remember what I did the day before, total blackout. I didn't do anything stupid, just my normal routine but I can't remember it. Also felt just like sleeping, which I did. I am going back to klonopin.