[Chronobiologic features in a 12-hour working day].

摘要: A review of investigations into the effects 12-hour workdays indicates that extended workday is frequently related to decrement performance efficiency, alertness and safety, increased subjective fatigue during work. Fatigue even more night shift As sleep duration after also reduced, combined debt can increase risk accidents, especially when workers work nights in a row. In spite feeling prefer longer working hours an eight-hour schedule, because they have free time use for restitution, leisure other domestic second job activities.