In which month baby’s will start to sleep in night time as my baby is 4month old and she is playing whole night and sleep in morning.plz suggest me how to made her to sleep in night time

A. Learn to sleep by the time of almost one year properly and in the initial time there is no proper sleep pattern that you would see that child would have changes from every 15 to 20 days to a month so over the period the child is going to get a proper sleep cycle