Universities of colorado, Public university in Boulder, Colorado

The light we experience across our daily lives has a major influence on our body rhythms. People with 24-hour access to electric daylight, can disrupt sleep and negatively impact health, well-being and productivity. But, a new study addressed the issue of how bright lighting should be during the day and in the evening to support healthy body rhythms, restful sleep, and daytime alertness.The study was published in the journal, 'Plos'.Professors Timothy Brown from the University of Manchester, UK, and Kenneth Wright from the University of Colorado Boulder, US brought together an international body of leading scientific experts to agree on the first evidence-based, consensus recommendations for healthy daytime, evening, and nighttime light exposure.These recommendations provide much-needed guidance to the lighting and electronics industries to aid the design of healthier environments and to improve how we light our workplaces, public buildings, and homes.A key question tackled by the new report was how to properly measure the extent to which different types of lighting might influence our body rhythms and daily patterns of sleep and wakefulness. Light affects these patterns via a specialized type of cell in the eye that uses a light-sensitive protein, melanopsin, that is distinct from the proteins in the rods and cones that support vision (and upon which traditional ways of measuring "brightness" are based).Since melanopsin is most sensitive to light in a specific part of the visual spectrum (blue-cyan light), the new recommendations used a newly-developed light measurement standard tailored to this unique property, melanotic equivalent daylight illuminance. Analysis of data across a range of laboratory and field studies proved that this new measurement approach could provide a reliable way of predicting the effects of light on human physiology and body rhythms and could therefore form the basis of widely applicable and meaningful recommendations.An important next step will be the integration of the recommendations into formal lighting guidelines, which currently focus on visual requirements rather than effects on health and well-being. Additionally, increasing sophistication in LED lighting technology and the availability of low-cost light sensors are expected to increase the ease with which individuals can optimize their personal light exposure to best support their own body rhythms in line with the new recommendations.Brown said, "These recommendations provide the first scientific consensus, quantitative, guidance for appropriate daily patterns of light exposure to support healthy body rhythms, night-time sleep and daytime alertness. This now provides a clear framework to inform how we light any interior space ranging from workplaces, educational establishments and healthcare facilities to our own homes."( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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The light we experience across our daily lives has a major influence on our body rhythms. People with 24-hour access to electric daylight, can disrupt sleep and negatively impact health, well-being and productivity. But, a new study addressed the iss ...