Answer:
Shift work sleep disorder (SWSD) occurs in individuals who work nontraditional hours like split shift, graveyard shifts, early morning shifts, or rotating shifts. It's characterized by excessive sleepiness, lack of refreshing sleep, and drowsiness. These symptoms can affect both work and leisure time. Both symptoms are predominant in SWSD. There are numerous shift work schedules, and they may be permanent, intermittent, or rotating; consequently, the manifestations of SWSD are quite variable. Shift working can disrupt what are known as circadian rhythms, the internal "body clock". This can disrupt the normal workings of a hormone called melatonin. This disruption can lead to poor sleep and chronic fatigue.
Step-by-step explanation:
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