How Coloured Light Affects Us
coloured_light_effects Blue Light Sleep The strongest negative impact. Suppresses melatonin production — even 2 hours of evening exposure can shift the circadian rhythm by 1.5–3 hours. The brain reads it as midday sunlight. Mood & Mental Health Increases alertness and cortisol — useful in the morning, harmful in the evening. Chronic exposure (screens) is linked to anxiety, irritability, and depression. Physical Health Damages retinal cells with prolonged exposure Disrupted sleep triggers inflammatory processes and weakens immunity Associated...
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