Also known as 1H-indole-3-ethanol, 3-(2-hydroxyethyl)indole, 1H-indolyl-3-ethanol, 2-(indol-3-yl)ethanol, Tryptophanol, 2-(1H-indol-3-yl)ethanol
thumb|right|class=skin-invert-image|UV visible spectrum of tryptophol.
thumb|right|class=skin-invert-image|UV visible spectrum of tryptophol.
Tryptophol is an aromatic alcohol that induces sleep in humans. It is found in wine as a secondary product of ethanol fermentation. It was first described by Felix Ehrlich in 1912. It is also produced by the trypanosomal parasite in sleeping sickness.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).