But the crying might seem like a cry of pain, and it may begin for no clear reason. The crying often happens around the same time each day or night. Talk to your baby's health care provider if you're concerned about colic. The provider can give the baby a checkup and suggest more soothing tips. 1 Your Child Is Overtired When your child is having a meltdown because you gave them the wrong color bowl or you asked them to put on their shoes, too little sleep could be the true cause of their tears. One of the most frequent reasons kids cry is because they're overtired. J5WR.