Comfortable middle-ground state

2. T+02:40:00 [intensity]

intensity 

+ PLUS ONE — Clearly noticeable. You can tell when it began and how it's changing, though its full character isn't apparent yet.

3. T+00:00:00 [note]

Early on there was a mild cardiovascular push, with the pulse reaching 100 and some chest pressure. Open-eye vision was unchanged, but closed-eye imagery set to music was striking, and thinking and conversation remained fully intact or even sharpened. The writer described it as a comfortable intermediate level without the vivid color-world of mescaline; sleep was impossible at six hours but came easily and restfully two hours later, with no cost the next day.