By Allyson Chiu March 25, 2022 at 8:00 a.m. EDT More people are using melatonin and taking larger doses, research suggests. But some experts say taking melatonin incorrectly could make sleep worse. (iStock)Listen9 minComment218Add to your saved storiesSaveGift ArticleShare By the time sleep-starved people come to Jennifer Martin, a psychologist who specializes in insomnia, many have already...