Zolpidem is used to treat a certain sleep problem (insomnia) in adults. If you have trouble falling asleep, it helps you fall asleep faster, so you can get a better night's rest. Zolpidem belongs to a class of drugs called sedative-hypnotics. It acts on your brain to produce a calming effect.
Rohypnol, most commonly known as Roofies, have become infamous as a date-rape drug. This has led the Benzodiazepine to be banned in the US. However, not only are people still obtaining the drug illegally, but they are using it recreationally.