title: Circadian variations in human performance and work efficiency.
mesh_terms: D001833:Body Temperature Regulation; D002940:Circadian Rhythm; D004526:Efficiency; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D009787:Occupational Medicine; D012737:Sex Factors; D013647:Task Performance and Analysis; D014938:Work Capacity Evaluation