zolpidem /zōl-pi′dem/ , a nonbenzodiazepine sedative and hypnotic used orally as the tartrate salt. ▪ INDICATIONS: This drug is used in the short-term treatment of insomnia. ▪ CONTRAINDICATIONS: Known hypersensitivity to zolpidem prohibits its use. This medication should not be combined with alcohol. ▪ ADVERSE EFFECTS: The most common adverse effects are drowsiness, dizziness, and light-headedness.