Blue Light Therapy – 4 Minute Wake and Sleep

Blue Light Therapy – 4 Minute Wake and Sleep

Until the advent of artificial lighting, the sun was the major source of lighting, and people spent their evenings in (relative) darkness. Now, in much of the world, evenings are illuminated, and we take our easy access to all those lumens pretty much for granted. But we may be paying a price for basking in all that light. At night, light throws the body’s biological clock—the circadian rhythm—out of whack. But not all colors of…

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