My experience was similar; no direct contact with entities, but the certainty that something was in the room with me and had no ill intent toward me. I ended u

My experience was similar; no direct contact with entities, but the certainty that something was in the room with me and had no ill intent toward me. I ended up trying DMT a few times, and decided (at least for awhile), that the brain was a "chemical radio," able to be tuned to the different frequencies of reality with these substances. It was a very wispy way of explaining how the brain processes input in an altered state, but worked really well for me at the time.