People often describe anesthesia as something that puts a patient in a "deep sleep." An anesthesiologist enters the operating ...

A New Haven, Conn.-based Yale School of Medicine study published May 11 in Proceedings of the National Academy of Sciences found anesthesia may resemble both sleep and coma states in the brain, ...

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 ...

A recent study published in the journal Nature Neuroscience reported that brain clearance is reduced during anesthesia and sleep. Sleep represents a state of vulnerable inactivity. Given the risks of ...

I recently had surgery. I spoke with the anesthesiologist and learned what would happen and what to expect. In the operating room, I got comfortable on the table and had a mask placed over my nose and ...

What happens in the brain when our conscious awareness fades during general anesthesia and normal sleep? Finnish scientists studied this question with novel experimental designs and functional brain ...