Sleep is more like a special category of unconsciousness. When asleep, your senses are still active and being processed by your brain, just not being retained unless they reach a threshold. And may of your body functions operate, keeping you from swallowing your tongue, adjusting position to keep from having one portion of your body have too much pressure for too long, and keeping you from falling off a bed. Some sense of the passing of time is still there as well, just in a different way than when conscious.
Latest Answers