Background: Labor and delivery is a stressful stage for mothers. During these periods, sleep-related disorders have been reported. The problems of inadequate sleep include decrease in concentration, judgment, difficulty in performing daily activities, and an increase in irritability. Even the effects of moderate sleep loss on life and health quality can be similar to sleep deprivation. some research aggravated by aromatherapy on sleep quality in different periods of life so might be useful for the improve of sleep quality in postpartum women.