I'm not sure which of the three gummies produces which reaction but one afternoon I chewed 2 of each of the gummies I have --- easy, they taste so good! Well, about an hour or so later I went in to watch the baseball playoff game and I couldn't keep my eyes ope --- I went to sleep with the light on, tv on, book in my hand, etc. I slept wonderful --- but my son came in and turned off the tv, lamp and removed my book. So if you really want a good night's sleep on top of everything else, you can...