Every baby is different. But there is something common in every baby story: Sleepless night. Struggle-sleep of a baby, unfortunately, is an inevitable part for you and your partner. In fact, a sleepless baby at night is pretty normal. It may continue for months. Sounds like a never-ending trauma? Don’t worry; it will pass. However, why your baby is not sleeping, there are some potential reasons behind that. Unless you know the reason, you cannot take your next step to baby sleep training methods spontaneously. Wondering Is my baby ready for sleep training? So, let's talk about the reason first and tactfully turn your baby back on the sleeping track.