The Luna Cycler

Section V

Mathematical Modeling

The Luna Cycler did not begin as an equation โ€” it began as a sensation. A heaviness near the new moon. A sharpening near the full moon. A smooth rise and fall that repeated with uncanny regularity. Only after years of tracking did I realize that what I was feeling could be expressed mathematically โ€” not to reduce the experience, but to reveal its structure.

The Core Equation

S(d) = 6.5 + 6.5 ยท cos(2ฯ€d / 28)
S(d)
Sleep duration on day d
A = 6.5
Baseline (vertical shift)
B = 6.5
Amplitude
T = 28
Period (days)

Waveform Visualization

0h3.25h6.5h9.75h13hNew MoonFull Moon13h0hS(d) = 6.5 + 6.5 ยท cos(2ฯ€d/28)
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Phase Locking
Sleep peak consistently aligned with new moon, trough with full moon โ€” across seasons, medication changes, and environments. Phase locking is not coincidence. It is entrainment.
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Asymmetry
The descent into full moon wakefulness is steeper than the ascent out of it. The new moon hypersomnia sometimes forms a broader plateau than the cosine model predicts.
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Amplitude
The 13-hour swing from peak to trough is unusually large but not biologically impossible. It is the signature of a high-amplitude oscillator with heightened chronobiological sensitivity.
"The Luna Cycler is not just something that happens to me. It is something I can articulate, model, and defend."
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