If you are unable to sleep, alprazolam will make you tired. However, if you use alprazolam or other benzodiazepines frequently, you should be aware of substantial side effects as well as the potential risk of establishing a dependence. Buy XANAX online is a type of drug known as a benzodiazepine. It's used to treat anxiety problems in the short term, especially in persons who are prone to anxiety and panic attacks. The active ingredient in Xanax is alprazolam. Alprazolam works by binding to the body's gamma-aminobutyric acid (GABA) receptors to reduce anxiety.