ABSTRACT
Shift work has become an integral part of our lives. Society needs 24-hour services such as security, and in many industries, such as power engineering, continuous 24-hour technological processes are necessary, including on Saturdays, Sundays, and holidays. Therefore, the number of employees in this service sector, including services rendered via the Internet, is continuously increasing. White-collar workers, such as bank or stock market employees, also work at night. Receptionists,
25.1 Introduction .................................................................................................. 497 25.2 Circadian Rhythms of Human Physiological Functions and Their
Signicance for Occupational Safety ........................................................... 498 25.2.1 Circadian Oscillations of Physiological Functions ........................... 498 25.2.2 Circadian Oscillations of Psychophysical Fitness ............................ 499 25.2.3 Workability Rhythm .........................................................................500
25.3 Denitions and Terms Related to Night Work ............................................. 501 25.3.1 Night Work........................................................................................ 501 25.3.2 Work Constantly on the Move .......................................................... 501
25.4 How Does Shift Work (Including Night Work) Differ from Daily Work? ..............................................................................502 25.5 Consequences of Shift Work ........................................................................ 503
