As soon as the baby is born, we all want our babies to sleep well. Yet, so many moms and dads are struggling with putting the baby to sleep. Why is that? Something that comes so naturally for adults, why does it seem so difficult with babies? Without really understanding baby's sleep cycle or their natural development stage, it is really difficult to know how to let them sleep well. And based on the baby's age and development, their sleep needs constantly change. The chart below explains what you can expect from your baby's first few years and a guideline on their sleep needs. Birth to 6 Weeks Baby's sleep pattern is unpredictable and irregular. Babies sleep a lot throughout the day in bits and pieces. 6 Weeks - 3 Months Babies are known to sleep longer at night. According to Babywise book,