Samia Rajaei - Immunology Department, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
Ali Dabbagh - Cardiac Anesthesiology Department, Anesthesiology Research Center, Shahid Beheshti University ofMedical Sciences, Tehran, Iran

Anesthesiology is one of the most important creations of the modern science,basically based on the anesthetic drugs; however, there are a few concernsregarding the effects of the anesthetic drugs. Would there be any progress inthe current trend of anesthesiology, both clinically and basically. There wouldbe a possibility to use the physiologic mechanisms of sleep to be incorporatedinto clinical practice instead of pharmacologic agents in order to decreasetheir unwanted effects.

Sleep, Anesthesia, Analgesia, Mechanism, Pain