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SPA EXECUTIVE MAY 2022

The design issue, with Bill Bensley, Alberto Apostoli, and more.

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News<br />

How light<br />

impacts<br />

wellbeing &<br />

the spa<br />

experience<br />

The best light for relaxation in your spa<br />

environment includes natural light and<br />

possibly blue light, according to research.<br />

Here’s how light impacts wellbeing and the<br />

spa experience.<br />

Light impacts human health and wellbeing in<br />

various ways. Light is critical to our daily<br />

activities and wellbeing, impacting health<br />

and human function by enabling<br />

performance of visual tasks, controlling the<br />

body’s circadian system, affecting mood and<br />

perception, and facilitating direct absorption<br />

for critical chemical reactions within the<br />

body (Source: Impact of Light on Outcomes in<br />

Healthcare Settings).<br />

The invention of the electric light bulb forever<br />

changed the way humans construct our daily<br />

lives and had many positive effects, like<br />

allowing us to extend the day and social<br />

activities after sundown and drastically<br />

reducing the risk of house fires. But there<br />

were downsides also, that include a reduced<br />

reliance on and appreciation for natural light.<br />

Natural light can have measurable<br />

health benefits<br />

Natural light is the preferred light source for<br />

most people. A study examining the impact<br />

of natural light on staff satisfaction in<br />

healthcare settings found that 43% rated<br />

increased natural light as having a very<br />

positive impact on their work life, and 27%<br />

rated it as having a positive impact. And, in<br />

another survey by Future Workplace,<br />

employees ranked “access to natural light<br />

and views of the outdoors” as their number<br />

one desire for a workplace environment.<br />

Direct exposure (not through a window) to<br />

natural light boosts absorption of vitamin D, a<br />

critical nutrient for preventing bone loss, and<br />

reduces the risk of heart disease, weight gain,<br />

and various cancers. Exposure to natural light<br />

also helps reduce the risk of seasonal<br />

depression when days get shorter in fall and<br />

winter and improves sleep quality (even<br />

through glass).<br />

A 2014 study published in the Journal of<br />

Clinical Sleep Medicine found that workers in<br />

environments with windows had significantly<br />

more light exposure during work hours and<br />

slept an average of 46 minutes more per<br />

night during the workweek than workers in<br />

environments without windows. Workers<br />

without windows reported more sleep<br />

disturbances and poorer sleep quality.<br />

More research has found that length of stay<br />

was shorter for hospital patients whose<br />

beds were near windows than for those<br />

near doors, and workers who were exposed<br />

to natural light experienced an 84% drop in<br />

06 | Spa Executive News

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