Human-Centric Lighting Illuminates the Possibilities for Wellbeing by Mark Halper - Energy Watch News


Human-Centric Lighting Illuminates the Possibilities for Wellbeing by Mark Halper

Scientists have come to a firmer understanding of how the spectral content and intensity of light can alter biological processes. Many studies have shown a connection, for instance, between blue-rich white light and the suppression of the sleep-promoting hormone melatonin, leading to many warnings about using LED-lit gadgets and computer screens, or even general illumination LEDs, at night. Conversely, recent research has shown that blue wavelengths can excite a pigment called melanopsin that resides in the eye’s non-visual photoreceptors and sends stimulating signals to the body’s master clock that resides in the brain. With such impressive science, it seems that lighting is on the cusp of a new human-centric era, in which we can use the same light we use for general illumination to encourage physiological effects such as sleep and stimulation. http://www.ledsmagazine.com/

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