Remimazolam Versus Midaszolam for Sedation in Diagnostic Upper Gastrointestinal Endoscopy

The goal of this clinical trial is to compare the efficacy of remimazolam with midazolam in patients undergoing gastrointestinal endoscopy. The main questions it aims to answer are: * Superiority of total procedure time in remimazolam compared to midazolam * The success of sedation time This is the single blind study.; Patients will not know what they are given as the sedation drug If there is a comparison group: Researchers will compare patients with midazolam group to see if remimazolam group is superior to midazolam group