Webmayo clinic q and a: Shift work and sleep problems. I started working a night shift six months. Webfor more than 50 years, researchers have noticed that shift work seems to increase the risk of peptic ulcers. It also seems to raise the risk of general gi symptoms. Webshift work sleep disorder (swsd) is a circadian rhythm sleep disorder that commonly affects people who work nontraditional hours outside the “regular” 9 a. m. To 5 p. m. Webshift work — especially at night — often disturbs the body’s systems regulated by circadian rhythm, including the sleep/wake cycle. The more years you work.
