Weird sleep pheomina

Taking a nap years back on lunch break. I was in the break room. Sometimes guys would sleep in there on lunch. When someone I didn't trust was in the room, I would enter this weird state. I my eyes were open, I could move my eyes around and see the room, I was fully aware. The thing is I could hear myself snore and my body was completely still. Everything pointed to me being sound asleep. Is this common?