Is Melatonin Safe for Kids? Parents are using melatonin to help their children sleep. Here, an expert weighs in on whether these over-the-counter supplements are safe for kids. By Emily Elveru Medically reviewed by Antwon Chavis, M.D. Kids need plenty of shut-eye to fuel their growth and development, but 15% to 25% of young people have trouble falling and staying asleep, according to…