Answer. . .Europe is not an island nor a country but a continent which is located Eastward from the U.S. is divided by the North Atlantic ocean. Asia is to it's East. E â¦ urope comprises the westernmost peninsula of Eurasia.
Shift work sleep disorder (SWSD) is a circadian rhythm sleep disorder characterized by insomnia and excessive sleepiness affecting people whose work hours overlap with the typical sleep period.
Studies have shown that shift workers, whose biological clock is forced out of the normal 24 hour cycle, have an increased risk for some chronic diseases. Biological clock problems may also contribute to a higher risk of other diseases as metabolic cycles are tightly controlled by this function.