Human-Centric Lighting Set to Drastically Improve Workplace and Individual Performance - Energy Watch News


Human-Centric Lighting Set to Drastically Improve Workplace and Individual Performance

Scientific studies over the last 20 years have proven that light’s spectral content and its intensity do indeed impact the human circadian rhythm. Blue-enriched white light, for instance, can play both a villainous and a virtuous role. Too much blue at night can undermine sleep, because blue frequencies suppress the sleep-inducing hormone melatonin. Those same blue frequencies, however, play a stimulating role during the daytime – when we tend to need it – because they excite a pigment called melanopsin that resides in the eye’s non-visual photoreceptors and send signals to the brain where they stir up the body’s master clock. That clock controls a number of physiological clocks including the circadian one. This new knowledge comes along at a perfect technological juncture, as the modern emergence of LED lighting with its solid-state, digital nature opens the possibility of tuning light wavelengths and intensity to facilitate human performance. http://www.ledsmagazine.com/

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