The sleep disorders research center was established in 2006 with the goal of expanding human knowledge in various fields of basic sciences and sleep disorders. The center received a substantive agreement from the ministry of health and medical education on December 6^th, 2014. Professor Habibollah Khazaei, a psychiatrist with a sleep and polysomnography medical fellowship and a professor at Kermanshah University of Medical Sciences, was appointed as the head of the center since its establishment. The center's various research departments include psychiatry and psychology, neuroscience, medical imaging, sleep physiology, and animal and biochemical models. The department of fMRI and DTI was opened in 2018 in the center to evaluate brain functional and structural changes caused by sleep disorders. The Center is ready to carry out joint research projects related to sleep with all university departments and other research centers and to conduct research dissertations of students in related fields.