Abstract
The environmental regulatory behaviors of humans have a myriad of effects on the microclimate of bedrooms and the quality of sleep. Due to the special geographical climate, proposing non-invasive optimal strategies for environmental regulation is of considerable significance to improve sleep quality among high-altitude residents. However, there is no report on the environmental regulatory behaviors of residents at high-altitudes. Conducted in the Qinghai-Tibet Plateau at an altitude of 3255m, this study investigated the environmental regulatory behaviors, bedroom microclimate, and sleep quality of 355 local residents over the course of one week, and analyzed the influence of the behaviors on the bedroom environment and sleep quality. Results from 1462 nights of monitoring revealed that residents of the Qinghai-Tibet Plateau prefer to sleep with doors or windows open in both winter and summer. Leaving the doors or windows open during summer led to a reduction in sleep time, awakening time, and rapid eye movement sleep, while in winter, the percentage of deep sleep decreased. The habit of humidification displayed a noticeable seasonal bias, with plateau residents being more inclined to adopt humidification measures in winter. Based on the results, this study recommends sleeping with doors or windows open without humidification in summer, while in the winter, humidification is necessary.
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