Have you ever been unconscious ?!

I had a concussion while snowboarding about a year ago. I still don't remember what happenes and i was alone. I had a helmet on and i boarded the rest of the way down and lost all memory.
I didn't know where i was and couldn't focus. The ski first aid staff would tell me to remember a color "purple" ( I only know this cause my father was there for this part). After a minute they'd ask me what color they told me. I felt as if i was never told me anything in the first place.
On the ambulance ride there, i asked the same questions to the guy inside over and over " whats your name? Am i concussed? Was i wearing a helmet? Have i asked you these already?"
I was later in a hospital and recovered fine.
I wasn't unconcious, but it was an interesting experience. It was like living a memory or a dream. You can't take in the whole picture, just specific things or nothing at all.

Experience

I have been. It kind of feels like you've just skipped over time - you black out, but you don't realize it exactly. Afterwards, you feel normal, nothing really different. But you are like, yknow, woah what just happened. I fainted, and didn't need to go to the doctor.

You are unconscious every time you go to sleep.

Being in a coma is like being in a dreamless state of sleep except you go deeper. Much deeper is death. There is nothing just a permanent void until you regain consciousness or you don't (if you die)

Me and my Friends used to make each other Pass out, and it's basically like a short mental wipe. You forget everything for a few seconds, wake up and come to and Remember.