Shift work sleep disorder
Medical condition / From Wikipedia, the free encyclopedia
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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 participates in shift work. SWSD commonly goes undiagnosed, so it's estimated that 10–40% of shift workers have SWSD.[2][3] The excessive sleepiness appears when the individual has to be productive, awake and alert.[1] Both symptoms are predominant in SWSD.[4] There are numerous shift work schedules, and they may be permanent, intermittent, or rotating; consequently, the manifestations of SWSD are quite variable. Most people with different schedules than the ordinary one (from 8 AM to 6 PM) might have these symptoms but the difference is that SWSD is continual, long-term, and starts to interfere with the individual's life.[1]
Shift work sleep disorder | |
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Other names | shift work disorder; SWD |
Specialty | Neurology, psychology |