Orexin Receptor Antagonists

**Definition:** Substances that bind to and inhibit the action of OREXIN RECEPTORS. Drugs in this class have been used as SLEEP AIDS, PHARMACEUTICAL.

**Tree numbers:** - D27.505.519.625.663 - D27.505.696.277.350.500.500 - D27.505.696.577.663 - D27.505.954.427.210.350.500.500

**Synonyms:** - Orexin Receptor Antagonist - Orexin Receptor Blockers