The story
Probably from (imida)zol(e) + p(yr)id(ine) + (ac)e(ta)m(ide).
Etymology from Wiktionary, CC BY-SA 4.0.
zolpidem
Today it means: A sedative and hypnotic drug administered orally in the form of its tartrate (C₁₉H₂₁N₃O)₂·C₄H₆O₆ in the short-term treatment of insomnia. Full definition →