Melatonin Circadian Timing · 3D

Endogenous melatonin rhythm vs. exogenous dose timing, wound as a live 3D relief coil around a 24-hour clock cylinder.

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Endogenous melatonin coil
Shifted / target coil
Exogenous dose marker
Target bedtime pillar
DLMO phase-reference pillar
Drag to orbit · scroll to zoom · same nodal circadian math as the 2D version
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