The 670nm Sleep Light Myth: What That Number Really Means

Ever wondered why sleep products brag about "670nm" red light? That number comes from photobiomodulation research on aging retinas — not circadian biology. This episode breaks down where 670nm actually originates, why it's largely irrelevant to melatonin, the massive dose gap between research protocols and bedroom bulbs, and how you can actually verify what your light is emitting. Plus: why RGB bulbs in "red mode" might not be spectrally clean after all. Episode #686300 — open it directly at myweirdprompts.com/686300