Cross-sectional polysomnographic assessment reveals disrupted sleep and increased sleep apnea in high-altitude workers, suggesting potential health impacts.
High-altitude workers had less deep sleep and high fragmented sleep. Further, they had high sleep apnea and oxygen desaturation indices. The workers who had sleep studies in the latter part of the work week had better sleep indices compared to the workers who had sleep studies on the first and second nights at altitude. The SDB indices were positively associated with the years of working at altitude.
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Pun et al. (2025) studied this question.
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