Sold under the brand name of Ambien, Zolpidem is a medication used for the treatment of the sleeping disorder, namely insomnia, for the short-term. Doctors often prescribe this medicine after first trying counseling and behavioral changes.
Ativan is a medicine that is put under the category of Benzodiazepine. It is the brand version of the popular generic drug Lorazepam. The effects of Ativan or Lorazepam is the same as other drugs from the Benzodiazepine family.