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Working nights affects far more than just sleep. It can affect social lives, relationships and perhaps most worrying, physical and mental health. Are night shifts really so bad for your health?
There have been many studies suggesting health risks associated with shift work. Many studies have associated sleep disorders with decreased bone mineral density (BMD) and risk for fracture. Researchers have found that those who work long-term in night positions, like nurses, are at a great risk for wrist and hip fractures (RR=1.37). [ 5 ]
Night-shift work has been classed as a carcinogen—a substance or behavior which has the potential to cause cancer—“on the basis of limited evidence of cancer in humans (for cancers of the ...
Workers operating on nontraditional schedules, particularly those working overnight hours, were 66% more likely to fall into the catch-up sleeper category because of their evening shifts.
The health consequences of shift work may depend on chronotype, that is, being a day person or a night person, and what shift a worker is assigned to. When individual chronotype is opposite of shift timing (day person working night shift), there is a greater risk of circadian rhythms disruption. [24]
Shift work sleep disorder (SWSD): Approximately 9% of Americans who work night or irregular work shifts are believed to experience shift work sleep disorder. [21] Night shift work directly opposes the environmental cues that entrain our biological clock, so this disorder arises when an individual's clock is unable to adjust to the socially ...
Competence is affected by the number of work hours, number of continuous work hours, regularity of sleep, and frequency and speed of handovers to the next shift. "Night float" seems to have particularly bad effects, due to the circadian misalignment cause by abrupt switches between day and night shifts, but is the most commonly used method of ...
1) The first hour of your shift feels like you're physically there, yet mentally in bed, making you feel sleep deprived. Photo: Getty 2) Sitting for 8 hours a day has damaging effects on your body.