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Shift work disorder is a sleep disorder that can affect people who frequently rotate working hours, or to those who work at night. This disorder, also known as shift work sleep disorder or SWD, often causes sufferers to have trouble sleeping when they need to be in bed, and trouble staying awake when they need to be at work. Shift work disorder does not happen to every worker with irregular shifts, but is almost exclusively seen in this type of person. Working and sleeping outside of the body's natural cycle can lead to this condition.
People who work one shift for a day, a week, or a month and then switch to completely different shift for a similar time period might suffer from this disorder. When people often have to adjust their sleeping and activity schedules repeatedly, it can cause the body to get out of sync with it's usually sleep-wake cycle. For many of these people, the body fights to stay awake during the day — when the shift worker needs to sleep. This troubled sleep, combined with the body's natural desire sleep at night, can cause extreme tiredness when the worker wants or needs to be awake.
The most common symptoms of shift work disorder are restlessness, sleepiness, and insomnia. People who suffer from this disorder have trouble adjusting to the changes in their sleeping hours and waking schedules. Shift work disorder is the most common in people who work 10:00 p.m. to 6:00 a.m. These people often suffer from headaches, lack of energy, and difficult concentrating.
Shift work disorder can cause a number of problems in both home and work life, and lead to an increase in irritability and mood problems. Extreme sleepiness and lack of concentration can lead to more accidents and mistakes at work and often results in a higher use of sick leave time as the disorder can leave a sufferer disoriented and unable to work. The wakefulness caused by shift work disorder disrupts the natural circadian rhythm of a person working these shifts. The body is naturally inclined to get tired and wake up at the same times, and shift work disorder places extra stress on these natural rhythms.
Problems with shift work disorder can be dealt with in a number of ways. The first step for someone who works an irregular or night shift and who is having sleep problems is to talk to a doctor to gauge the seriousness of the disorder. From home, a person can help to deal with their disorder while still working the same shift by ensuring that he normalizes his sleeping schedule as much as possible.
If possible, a person may want to decrease the number of irregular shifts he works in a row or try to add days off before or after these shifts. Excessive overtime and prolonged shifts should also be avoided. When at home, the best thing a person can do is to get enough sleep on his days off.