+A **sedative** is a substance that induces [Calm](/wiki/calm) or sleep. It acts upon the central [Nervous System](/wiki/nervous_system) to reduce excitability and ease tension.
+## See also
+- [Hypnotic](/wiki/hypnotic)
+- [Anxiety](/wiki/anxiety)
+- [Depressant](/wiki/depressant)
... 1 more lines