Comparison of suicidal thoughts and stress levels among depressed students with morning and evening types

Introduction: The chronological types are the effective factors in psychological indexes. Aim: This research aimed at comparing suicidal thoughts and stress levels among depressed students with morning and evening types. Method: The research design was a comparative research and its statistical population consisted of the students of Payame Noor University and Islamic Azad University of Semirom during the academic year of 2011-2012. By using available sampling, 300 students selected and asked to complete Beck Depression Inventory (1976), morning and evening Types of Horn and Stanger (1976), Beck Suicidal Thoughts Questionnaire (1976), and Lewibond and Lewibond Stress Questionnaire (1995).After scoring Beck Depression Inventory, 153 students were diagnosed with depression, 18 of whom (according to the time scale questionnaire) as morning type and 64 as evening types. The data were analyzed using SPSS 21 and independent t-test. Results: The results showed that there was a significant difference between suicidal thoughts and stress levels of depressed students in morning and evening types (P <0.05). Conclusion: According to the results, one can consider the probable role of time types in the severity of suicidal thoughts and stress in depressed students. Further studies in this field are needed.