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Circadian Rhythm can Be Manipulated to Accommodate Graveyard Shifts
Reacting to some recent studies on the adverse impact of working in night shifts, Dr. Louis Ptacek, a University of California neurologist studying genes and sleep behaviours, said, “"It's not surprising….We evolved on a planet that is rotating every 24 hours. Our internal clock is more than just when we sleep and wake. It's related to cell division and it regulates our immune systems. When we battle our internal clock, that has complications."
Most researchers - and night-shift employees - agree that a fatigue factor undoubtedly goes along with working the graveyard shift. It's more difficult to get a good night's, or rather day's, sleep, and it can be a challenge to force the mind and body to be at their best in the middle of the night.
Roughly 15 million people, or 15 percent of American workers, regularly work a shift that's outside the typical daytime schedule, according to the U.S. Department of Labor. Studies have shown that between 10 and 20 percent of shift workers have trouble with insomnia when they're trying to sleep and feeling sleepy on the job when they're trying to stay awake.
That leads to the obvious connection between sleepiness and the risk of accident - either on the job or driving to and from work. People who are sleep-deprived can succumb to "microsleeps," where they fall asleep for just a few seconds and don't even realize it, said Dr. Clete Kushida, director of the Stanford University Center for Human Sleep Research.
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More News on: Circadian Rhythm and Sleep Disorders, Melatonin
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Mohit Kumar(Guest)
02/21/2009
Is working in Night Shifts can impacts our Libido??
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