I passed out or blacked out and had some sort of dream or idk! But I'm nit sure what it is or why it happened

I don't know where to post this... anyway

I was watching a drummer play the song almost easy by avenged sevenfold on my phone, and then i stood up normally and coughed twice then all of a sudden I felt slightly dizzy but I was fully conscious and aware, however I wasn't able to hold myself up and passed out. My eyes were open and I was still aware

I don't remeber how I got here, It felt like I was transported in another worlds, like I was having a million dreams all at once. There were voices and music in the background. It's like I was in my brain. It felt like I was dead and my life was flashing before my eyes. The song almost easy was playing in the background. The same part that is always stuck in my head. I was seeing many spirals and flashes of colors. I can't recall too much. It was overwhelming. It's like when you don't realize you e fallen asleep and you're dreaming so you don't question it. You can't. I remeber screaming in the dream. Then I woke up to the sound of my mother's voice. I opened my eyes but had no idea where I was and what was happening. I didn't recognize anything. I felt incredibly overwhelmed and felt like I was still in that insane dream state. I thought I was still screaming and seeing things. Like my brain wanted to go back to the dream. Everything looked so unreal. Then I felt myself on the floor and daw my room spinning. I remember what happened and how I had fallen down after coughing. I was so overwhelmed I cried uncontrollably and started calling out for my brother and mom. I started hyperventilating and putting my hands on my head. There are more details in how I felt during and after, but I can't describe it. I'll add more edits if I can figure out how to describe what I saw and felt and heard, etc.

After all that, I felt very sick. My head was hurting and my stomach was hurting. I felt so nauseous. I took off all my clothes and went in a hot shower in hopes it would make me feel better or relaxed. It didn't work. I got out and went to my bed, still naked. I turned off every light since it was too strong and hurting my head. Once it was pitch black, I felt like I was seeing something at my door, watching me.

I eventually fell asleep. I don't remember if I dreamed or not. I don't want to think about that though.

A few weeks later, I decided to listen to that song again and when I did I felt my head and chest get super light? Idk if that's the right way to describe it.