Flunitrazepam, commonly known under the brand name Rohypnol, is a potent benzodiazepine known for its strong sedative, hypnotic, anxiolytic, and muscle relaxant properties. It is primarily used in the management of severe insomnia and as a premedication for surgery to induce anesthesia or sedation. However, due to its high potency and potential for misuse, it is tightly regulated and not approve..