People often describe anesthesia as something that puts a patient in a "deep sleep." An anesthesiologist enters the operating room, and part of their mission is to ensure that the patient is ...

In the brain, specific electrical waves are associated with different states of consciousness. For instance, delta waves—also known as slow waves—are especially prevalent during deep sleep, as well as ...

CHICAGO (Reuters) - Instead of a deep sleep, general anesthesia is more like a reversible drug-induced coma, U.S. researchers said on Wednesday, in findings that could lead to better treatments for ...