Language (1) Children (1) Male primary school teachers (1) Primary school teachers (1) Male elementary school teachers (1) Drowsiness (1) Preschool children (1) Time (1) Teachers (1) Photography--Exposure (1) Obesity (1) Preschool teachers (1) Learning (1) Impact (1) Health education (1) Elementary school teachers (1) Women preschool teachers (1) Health (1) Students (1) Salud (1) Profesores de enseñanza preescolar (1) Profesores (1) Educación sanitaria (1) Tiempo (1) Fotografía--Exposición (1) Temps (1) Santé (1) Langage (1) Surpoids (1) Apprentissage (1)