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Preliminary Method for Prospective Analysis of the Circadian Efficacy of (Day)Light with Applications to Healthcare Architecture

机译：前瞻性分析日光昼夜功效的初步方法及其在医疗体系结构中的应用

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Recent studies have attempted to link environmental cues, such as lighting, with human performance and health, and initial findings seem to indicate a positive correlation between the two. Light is the major environmental time cue that resets the human circadian pacemaker, an endogenous clock in the hypothalamus that controls the timing of many 24-hour rhythms in physiology and behavior. Insufficient or inappropriate light exposure can disrupt normal circadian rhythms which may result in adverse consequences for human performance, health and safety.rnThis paper addresses the problem of prospective analysis of building architecture for circadian stimulus potential based on the state of the art in photobiology. Three variables were considered in this analysis: lighting intensity, timing, and spectrum. Intensity is a standard design tool frequently used in illuminating engineering. Timing and spectrum are not commonplace considerations, so the analysis that follows proposes tools to quantitatively address these additional requirements.rnOutcomes of photobiology research were used in this paper to define threshold values for illumination in terms of spectrum, intensity, and timing of light at the human eye, and were translated into goals for simulation - and ultimately for building design. In particular, the climate-based Daylight Autonomy (DA) metric was chosen to simulate the probabilistic and temporal potential of daylight for human health needs.rnThe developed method was applied to study the impact of key architectural decisions on achieving prescribed stimulus of the circadian system in a hospital patient room design; studied variables included orientation, window size, and glazing material A healthcare setting was specifically chosen with the intent of follow-on research to validate our findings with actual patient outcome data.
机译：最近的研究试图将环境提示（例如照明）与人类的表现和健康联系起来，初步发现似乎表明两者之间存在正相关。光线是重设人类生物钟起搏器的主要环境时间提示，这是下丘脑中的内源性时钟，控制生理和行为中许多24小时节律的时间。光照不足或不适当可能会破坏正常的昼夜节律，从而可能对人类的行为，健康和安全造成不利影响。本文基于光生物学的最新状况，对建筑结构的昼夜节律潜力进行前瞻性分析。在此分析中考虑了三个变量：照明强度，时间和光谱。强度是照明工程中经常使用的标准设计工具。时间和光谱不是普遍的考虑因素，因此下面的分析提出了定量解决这些附加要求的工具。本文使用光生物学研究的成果，根据光谱，强度和光的时间定义照明阈值。并转化为模拟目标-最终用于建筑设计。特别是，选择了基于气候的日光自主性（DA）指标来模拟日光的概率和时空潜力，以满足人类健康的需求。rn该开发的方法用于研究关键建筑决策对实现昼夜节律刺激的影响在医院病房的设计中；研究的变量包括方向，窗户尺寸和玻璃材料。为了后续研究的目的，专门选择了医疗机构，以根据实际患者结果数据验证我们的发现。

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