7 hours.
Took melatonin on Wednesday night and it was still affecting me on Thursday night.
I stopped taking melatonin awhile ago because edibles are usually enough for me these days. I only took melatonin becauase I went to bed without taking an edible and was too lazy to get up, so I took a melatonin that was in the nightstand drawer. Anyway, I'm better now.
Time to make some more edibles because I'm running low. Think I'll give gummie bears another shot. They make it look so easy on youtube.