Impacts of shift work on sleep and circadian rhythms.

Between 15% and 30% of adult workers are involved in shift work, which may affect their sleep and health.

• Shift work often includes early starts, long hours, and night shifts.
• Around 2-5% of shift workers may experience a disorder characterized by excessive sleepiness or sleep disruption.
• Sleepiness during night shifts tends to peak at the end of the shift.
• Impaired attention and performance due to sleepiness can pose serious risks to health and safety.
• Workers with sleep-wake disorders may fall asleep unexpectedly, which can lead to accidents and public safety issues.
• Shift work may have significant socioeconomic effects, particularly in relation to accidents and worker impairment.

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