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Light Exposure Discipline

Meaning

Light Exposure Discipline is the clinical practice of intentionally managing the timing, intensity, and spectral quality of light exposure to precisely regulate the body’s master circadian clock and optimize downstream hormonal rhythms. This discipline involves maximizing bright, blue-rich light exposure early in the day to robustly set the rhythm and strictly minimizing blue light exposure in the evening to facilitate optimal melatonin production and sleep onset. It is recognized as a powerful, non-pharmacological tool for profoundly influencing endocrine and metabolic health.