Zolpidem is a commonly prescribed medication for sleep disorders. However, it is important to ensure the purity of the drug to avoid any potential side effects. Zolpidem impurities refer to any substances or compounds present in the medication that are not the desired active ingredient. These impurities can potentially cause adverse effects, decrease the efficacy of the drug, or even be harmful to the user. Therefore, it is important to regularly monitor and control the impurities present in Zolpidem to ensure its safety and effectiveness.