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.
Skimping on Sleep. A change in your sleep pattern is a hallmark symptom of bipolar disorder â but it can also be a trigger. Shift workers, people who work long hours, and students who are short on sleep are all at risk for bipolar mood swings related to a lack of sleep.