eczopiclone, a sedative/hypnotic. ▪ INDICATIONS: This drug is used to treat insomnia. ▪ CONTRAINDICATIONS: Known hypersensitivity to this drug prohibits its use. ▪ ADVERSE EFFECTS: Adverse effects of this drug include depression, hallucinations, headache, daytime drowsiness, peripheral edema, chest pain, dry mouth, bitter taste, and rash.