SPRING, Texas (KHOU) - Parents of preschoolers in Texas say they are shocked after finding out their children were given sleep aids by their teachers. They said their children told them they were given “sleepy stickers” that would make them fall asleep. The patches in question are sleep aids containing melatonin, among other ingredients, and intended for adults. One of the children at the school, 4-year-old Layne Luviano, broke the case open in September when she snuck one of the stickers out of the classroom. “She kind of pulled up her little shorts and said, ‘Mom, look this is my...