U need to find the reasons for not sleeping Only response of the baby to any issue is crying. So try to find Baby is hungry Baby is uncomfortable due to diaper Baby is having gas in stomach Is baby not able to sleep due to heat so on and so forth Is child is on any medicine which disturbs sleep Also see if there are any developmental issues ie baby not speaking walking, or baby is having running nose or blocked nose or cough etc so in that case there may be other issues and u need to consult your doctor If no issues are there try sleep hygiene ie 1.have a fixed night time routine before sleep 2.Avoid high energy activities as mobile or tv , physical activity one hour before sleep time 3. Feed before sleep 4. Keep the room quiet and dark 5. See that the child is comfortable in bed

How long is this problem Give her good feeding and more playing . Take her for a short walk. Keep her engaged during daytime . Give her more fruits and fruit juices Afternoon sleep is o. K As they grow older sleep problem should go away . If it persists for for some more time you can consult