Search results
Results from the WOW.Com Content Network
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.
A night school is an adult learning school that holds classes in the evening or at night to accommodate people who work during the day. A community college or university may hold night school classes that admit undergraduates .
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 ...
Chronic partial sleep deprivation is a form of sleep deprivation caused when one obtains some but inadequate sleep. Acute sleep deprivation is more widely known as the scenario in which one is awake for 24 hours or longer. [8] From student reports, 70.65% of students are sleep deprived and 50% of college students exhibit daytime sleepiness.
Polyphasic sleep is the practice of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, which is one period of sleep within 24 hours. Biphasic (or diphasic, bifurcated, or bimodal) sleep refers to two periods, while polyphasic usually means more than two. [1] Segmented sleep and divided sleep may refer ...
Shift work sleep disorder (SWSD) is a circadian rhythm sleep disorder characterized by insomnia, excessive sleepiness, or both affecting people whose work hours overlap with the typical sleep period. Insomnia can be the difficulty to fall asleep or to wake up before the individual has slept enough. [1] About 20% of the working population ...
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.
According to a study of 4,510 obstetric-gynecologic residents, 71.3% reported sleeping less than 3 hours while on night call. [4] In a survey of 3,604 first- and second-year residents, 20% reported sleeping an average of 5 hours or less per night, and 66% averaged 6 hours or less per night. [5]