Introduction: Smartphones have become an integral part of youth. But at the same time addiction towards its use have become a serious concern among them. Objective:The main objective of the study is to determine the prevalence of smartphone addiction among the nursing students. Further the study was done to find out the association between the smartphone addiction with sleep quality and some selected psychological problems, along with its association with selected demographic variables. Research Approach: A quantitative research approach was adopted in which cross sectional research design was used by the researcher and the samples were chosen by convenient sampling technique. The nursing underwent various scales to assess the relationship between smartphone addiction, sleep quality and psychological problems. Result: The researcher reported that almost 77 students (36 male and 41 female) found to be addicted with smartphone usage. Further on, a fair positive significant association (0.226) was obtained between smartphone addiction and sleep quality. The researcher identified and mention that fair positive relationship found between smartphone addiction and psychological problems such as depression, anxiety and stress at the p level <0.001. Conclusion: Thus, the analysis suggested that there is a need to develop counselling programs where experts can raise the awareness of university students, to understand the Pons and cons of smartphone usage.