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Blue Light Modulation

Meaning

Blue light modulation is the deliberate regulation of exposure to light in the blue spectrum, particularly in the evening hours, to optimize circadian rhythm and neuroendocrine function. This practice is crucial because short-wavelength blue light, emitted by electronic screens and certain light sources, powerfully suppresses the nocturnal secretion of melatonin. Effective modulation is a key component of sleep hygiene, directly influencing the restorative processes essential for hormonal balance and metabolic health. Minimizing this specific light spectrum at night supports the body’s natural transition to rest.