American researchers have found that employees who have to work hard at night, will never be able to sleep enough to operate at full capacity. Because of this, they are working worse than those lucky enough to work the day shift.
A team of scientists from Washington State University in Spokane, led by Angela Bowen concluded that workers night shift do not regularly get enough sleep. On average, they were able to sleep before starting from 4, 5 to 8 hours, depending on the time of arrival at work. But even that is not enough time - at night the body still wants to rest.
According to scientists, the maximum fatigue It covers those workers whose shift begins at 9 pm, and a minimum of those who start work at 11pm. "Change the same length have different effects on the body, depending on how much this change began - said Bowen. - The same number of working hours for the day shift may seem hard, but for a night - too liberal."
The researchers found that night shift better to start near midnight - when workers have time to sleep before heading to work. But if the work schedule requires 8-9 hours of the arrival of the evening, the productivity will be much worse. This is due to the natural biorhythms of a person in accordance with which the evening our body needs rest.
Scientists also believe that workers will never be able to sleep enough at night to show the same productivity as the day. Just because the night is not intended for use by the very nature of the human body.
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