Saadat 1, Soheil, Farideh Sadeghian 1, and Mahsa Fayaz 2*. “Sleepiness and Fatigue Among Night - Shift Nurses With Three - Hour Nap and Day - Shift Nurses”. Shahroud Journal of Medical Sciences 2, no. 4 (December 6, 2016). Accessed August 29, 2026. https://sjms.shmu.ac.ir/index.php/ijhs/article/view/193.