“…Robust links have been established between early childhood teacher health, stress, sleep, and well-being—interrelated factors ( Toker & Melamed, 2017 )—and young children's learning and development across domains (e.g., Al-Adwan & Al-Khayat, 2017 ; Sandilos et al, 2018 ; Whitaker et al, 2015 ). Early childhood teacher health, stress, sleep, and well-being have been shown to affect the quality of teacher–student interactions ( Whitaker et al, 2015 ); emotional and instructional support ( Sandilos et al, 2018 ); children's social competence ( Siekkinen et al, 2013 ); and young children's psychological, social, and emotional growth ( Al-Adwan & Al-Khayat, 2017 ).…”