One of the reasons that might have happened is that a lot of OTC melatonin is actually way too high of a dose. You need like a .5mg dose, but most of it that I

One of the reasons that might have happened is that a lot of OTC melatonin is actually way too high of a dose. You need like a .5mg dose, but most of it that I have seen in stores is in the 3-5mg range, which is quite a bit more than what you need.