FROM DAWN TO DUSK, THE COLOR OF LIGHT HAS AN IMPACT, TOO

Artificial lights can wreak havoc on us. Fluorescent office lights can make us work far longer—but not always better—than we would naturally be able, and the LEDs illuminating our mobile devices can disrupt sleep if we spend time with them before bed.

Now science is telling us that our biological clocks may be responding not only to the type and amount of light, but the color, too. According to a new study from the University of California, Santa Cruz (UCSC), our eyes may be just as susceptible to the changing color of light as it dwindles through twilight.

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