actually, there are visual receptors in the eye which are directly tied to the hormonal center of the brain. Red/Infrared light is stimulating Melatonin and blu

actually, there are visual receptors in the eye which are directly tied to the hormonal center of the brain. Red/Infrared light is stimulating Melatonin and blue/bright light triggers Cortisol production. Arguably, this is linked to the circle of the sun and a lifestyle that is heavily bound to sunlight.