The Unconscious

I'm having lots of trouble focusing this week. I've been letting myself get really worked up about stupid stuff, such as my roommates not including me in basically anything. Anyhow, I initially tried to focus on my breathing. I was still losing focus, so I tried something else. I tried to see with my eyes closed. I wasn't trying to see anything in my room but rather the light passing directly through my eyelids. I attempted to make out any shapes that were there. As I did, I noticed that my mind started generating random thoughts, phrases and memories that had no relevance to anything. Nothing that happened today. It seemed as if there were no trigger to the thoughts, they just came naturally. I'm not sure how to interpret it. I didn't feel stressed at all so I don't see it as a negative experience. I don't know what to think of it.