Reasons why babies won’t stop crying at night and solutions Reasons There are many possibilities for why babies won’t stop crying at night. First, the baby may be hungry, thirsty, or need a diaper change. At this time, the baby should be fed and diapered to ensure that the baby\’s empty stomach does not make it difficult for him or her to fall asleep. Secondly, the baby may cry because of physical discomfort or pain. At this time, pay attention to whether the baby has a runny nose, fever or other symptoms. Again