There are various drugs for sedation in anesthesiology with multiple anxiolytic, amnesic, and analgesic to, including barbiturates, benzodiazepines, opioid analgesics, and combinations thereof, are proof of this ketamine, midazolam, fentanyl, propofol, dexmedetomidine, and others . There is a clear need to implement sedation techniques that provide effectiveness, safety and few side-effects as well as low cost to search anxiolysis, amnesia, analgesia and / or drowsiness in patients who are undergoing procedures such as spinal anesthesia .