There was a time I swore I’d never touch melatonin again. I first tried it in college during those brutal stretches of barely sleeping, and at first it helped — until the weird dreams started creeping in. Before long, they turned into full-blown nightmares, and whatever extra sleep I was getting didn’t feel worth waking up groggy and unsettled. So I swore it off. But a few years later, that changed. I had been testing several products from Kourtney Kardashian’s viral Lemme supplement line , and