It is well said that 6-8 hours’ sleep each night is essential for a healthy life style. Availability of smartphone to younger population without any restriction of its use may affect their lifestyle. Sleep quality deteriorates with increasing mobile use. 66% (Sixty-six) of students said they lose sleep due to late night usage of mobile.4 Using smartphone till late night is a risk factor for sleep disturbance which itself is a risk factor for depression.9 There is a positive correlation between smartphone addiction scale scores and sleep quality scores.10