My Site - Can You Overdose on Melatonin? http://greenworldglobal.web.id/story.php?title=can-you-overdose-on-melatonin So the short answer to the question is, no, you can't overdose on melatonin. But you can have some very unpleasant side effects But a melatonin overdose can disrupt your circadian rhythms, or sleep- wake cycle, and actually make it harder for you Thu, 06 Dec 2018 14:32:30 UTC en