Despite declines in prevalence during the past two decades, Sudden Infant Death Syndrome (SIDS) is one of the main causes of Child mortality globally. Sudden Infant Death Syndrome is responsible for at least one quarter of all Child deaths worldwide. Infant mortality and morbidity is leading issue now a days thus, the present study was conducted on postnatal mothers to assess the level of knowledge and educate them about prevention and reducing the occurrence of the complications.

Aim: To enhances the knowledge of postnatal mothers regarding sudden infant death syndrome and provides them an information booklet.

Method and Material: Non probability convenient sampling technique was used to select the 200 samples for the study. A Self Structure Knowledge questionnaire was used to collect data.

Statistical Analysis: Collected data was analysed by using descriptive and inferential statistics.

Result: A Descriptive study was conducted on 200 postnatal mothers of SGL Charitable Hospital, Civil Hospital, Armaan Hospital, Global Hospital, Amar Hospital, Holy Family Hospital, Alpex Hospital, and Johal Hospital in the month of February 2019 to assess the level of knowledge of postnatal mothers.

Conclusion: The result showed that out of 200 postnatal mothers 99(49.5%) had average knowledge, 71(35.5%) had poor knowledge and 30(15%) had good knowledge regarding Sudden Infant Death Syndrome.

The study concluded that Knowledge regarding Sudden Infant Death Syndrome may help in reducing the occurrence of the complications.