Modabernia and colleagues study in Iran (2009), reported depression rates by 25% and there was significantly correlated between level of education, employment and number of pregnancies reported with depression during pregnancy. Omidvar and et al in 2007, showed depression rates 28.8 percent, there was a significant relationship between level of education, employment, spouse's consent, helping husband at home work, family support and education of the spouse with depression during pregnancy. Shahmiri and Momtazi research in 2006, revealed depression rates 32 percent, there was a significant relationship between depression during pregnancy with poor economic situation, first pregnancy (having more than three pregnancies), lack of employment outside the home, poor emotional relationship with a partner. Results of some recent researches findings in Iran is aligned with the employment of women, increasing BMI and depression are associated with a lower education, But the big difference in the prevalence of depression in the study of Iranian Studies can be the variation of sleep
quality according to cultural conditions and appropriate culture conditions predisposing to depression. So, help to mothers for adaptation during and after pregnancy , Maternal mental health promotion by improving their communication skills and attention to her needs at this time, Identify mothers at risk for depression and sleep disorders, finally, In addition to takes place routine prenatal care programs, counseling programs, special programs for research, diagnosis of sleep disorders, troubleshooting the cause of the disturbance, and prevent to provide maternal and child health, in order to achieve the motto of the healthy mother and healthy child. Like other studies, this study had some limitations, during the answering questions may there are few mental attributes have little impact to answer questions ,which was beyond the control of the researcher Alsoun diagnosed disease, the effect of changes in diet and exercise on sleep pattern could affect the study that were uncontrolled