"Works well if you go straight to bed. If you stay up past 30 minutes you are fighting it. Just let the feeling hit you and go to bed.  I have taken two 10mg tabs in about 30 mins and apparently made constant calls to my wife at work. When she came home I asked her &quot;What are you talking about?&quot; I still have no memory of that incident. So now I only take 1 and try to go straight to bed. "