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Shift work increases the risk for the development of many disorders. Shift work sleep disorder is a circadian rhythm sleep disorder characterized by insomnia, excessive sleepiness, or both. Shift work is considered essential for the diagnosis. [9] The risk of diabetes mellitus type 2 is increased in shift workers, especially men.
The three-shift system is the most common plan for five 24-hour days per week. The "first shift" often runs from 06:00 to 14:00, "second shift" or "swing shift" from 14:00 to 22:00 and a "third shift" or "night shift" from 22:00 to 06:00, but shifts may also have different length to accommodate for workload, e.g. 7, 8 and 9 or 6, 8 and 10 hours.
A schedule, often called a rota or a roster, is a list of employees, and associated information e.g. location, department, working times, responsibilities for a given time period e.g. week, month or sports season. A schedule is necessary for the day-to-day operation of many businesses e.g. retail store, manufacturing facility and some offices.
Watchkeeping. Watchkeeping or watchstanding is the assignment of sailors to specific roles on a ship to operate it continuously. These assignments, also known at sea as watches, are constantly active as they are considered essential to the safe operation of the vessel and also allow the ship to respond to emergencies and other situations quickly.
Dayparting. Approximate U.S. television broadcast dayparts for weekdays (Eastern Time Zone). In broadcast programming, dayparting is the practice of dividing the broadcast day into several parts, in which a different type of radio programming or television show appropriate for that time period is aired. Television programs are most often geared ...
The eight-hour day was a concession to the workers' and soldiers' soviets, and was unpopular among industrialists. A 12-hour day was reintroduced by a right-wing government during the occupation of the Ruhr and subsequent hyperinflation crisis in 1923. The Labour Ministry eventually shortened wages in the late 1920s.
Delayed sleep phase disorder (DSPD), more often known as delayed sleep phase syndrome and also as delayed sleep–wake phase disorder, is the delaying of a person's circadian rhythm (biological clock) compared to those of societal norms. The disorder affects the timing of biological rhythms including sleep, peak period of alertness, core body ...
Sen. Josh Hawley kicked off the first debate in Missouri’s U.S. Senate race on Friday afternoon the way he’s spent most of his reelection bid – by attacking Democratic candidate Lucas Kunce.