People who go under anesthesia routinely have significant amounts of time where they are conscious and interacting with doctors, that are completely lost to mem

People who go under anesthesia routinely have significant amounts of time where they are conscious and interacting with doctors, that are completely lost to memory. Everyone is configured uniquely, and you could just be someone whose memory is more shut off during sleep and still be "dreaming", if we just define dreaming as the brain continuing to operate on its model of the world in some capacity while sleeping.