Melatonin production shows how light and darkness guide the eye, SCN, and pineal gland to suppress or release the sleep hormone through the day night cycle with a curve timeline. Doodle style diagram

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Melatonin production shows how light and darkness guide the eye, SCN, and pineal gland to suppress or release the sleep hormone through the day night cycle with a curve timeline. Doodle style diagram

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Melatonin production brief diagram shows day night control of the pineal gland via eye-SCN and a nightly rise fall curve, key objects, pineal gland, eye, time graph. Outline diagram

Melatonin production shows how light and darkness guide the eye, SCN, and pineal gland to suppress or release the sleep hormone through the day night cycle with a curve timeline. Doodle style diagram

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