Took Xanax (alprazolam) and got really agitated coming off it. Why?

Xanax (alprazolam) Agitation is common during rebound or withdrawal from benzodiazepines such as xanax (alprazolam). Gradual tapering is recommended.
Disinhibition. A percentage of the population will react to sedatives by getting agitated. It is a well recognized side effect that may occurs with other similar acting medications or only with xanax (alprazolam).