Circadian Notes

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The Connection Between Eye Fatigue and Cognitive Burnout

The Connection Between Eye Fatigue and Cognitive Burnout

Focus isn’t infinite. It’s visual.Before your brain feels fried, your eyes have already hit a wall. Eye fatigue isn’t just a screen-time side effect—it’s a neurological signal. And if you ignore it...

The Neuroscience of Color: Why Red Calms and Yellow Sharpens

The Neuroscience of Color: Why Red Calms and Yellow Sharpens

Color isn’t just visual—it’s neurological.The way your brain interprets color is tied directly to how you feel, focus, and function. Different wavelengths activate different pathways in the brain, ...

Photic Stress Explained: Why Modern Light Is Wrecking Your Focus

Photic Stress Explained: Why Modern Light Is Wrecking Your Focus

Your brain was built for sunlight. Your lifestyle wasn’t.From fluorescent glare to LED backlight, modern environments flood your visual system with wavelengths it was never designed to process at s...

How Light Affects the Brain: A Guide to Circadian Optics

How Light Affects the Brain: A Guide to Circadian Optics

Light isn’t just visual—it’s biological.Every time it hits your retina, it signals your brain. It impacts your hormones, your alertness, your mood, and your sleep. In a world saturated with artific...