“…Work fatigue can be influenced by internal and external factors (Ningsih & Nilamsari, 2018). Several studies have shown that the determinants of work fatigue include internal factors (age, gender, education level, nutritional status, work stress, and disease profile) (Rahmawati & Tualeka, 2019;Setyawati, 2010;Suma' mur, 2013) and external factors (job tenure, workload, sleep quality, work variation, lighting, noise) (Atiqoh, Wahyuni, & Lestantyo, 2014;Azwar, et al, 2018;Rahmawati & Tualeka, 2019; Suma' mur, 2013) (3) .…”