How should I sleep train my 4m old baby? She doesn’t sleep without being rocked and put to bed

A. Sleep pattern of babies is variable proper sleep schedule of the baby will be able to be established only after 6 month of age in the initial one to two months the baby will sleep for about 14 to 16 hours minimum and slowly the time will reduce with age Every baby baby has its own sleeping pattern,so to make the baby have a sound sleep you need to make sure that the baby has fed wtwtell and is in comfortable position and surrounding temperature. Fix a regular time for feeding and sleeping to maintain regularity of the cycle. Avoid noise and light around during sleeping and also avoid excess screen time.