Am I High?

Heh, a few days I felt this surreal feeling, as if I was in a dream. My senses felt subdued, but I was not asleep and definitely not fully awake. I could feel that my consciousness was a bit dampened. Nevertheless, I was still able to do the stuff I was doing, e.g. driving. I was able to appreciate all sensory input. Yet the input was so overwhelming, I couldn't really respond to the surroundings, and acted mainly on instinct, not thought. For example, I overtook cars without really giving thought; no typical adrenaline rush associated with such risky behavior. It lasted for about 8 hours, and I'm not telling what happened prior to that weird event, which was probably the triggering event. I'm sure many would point out that what I typed above sounds contradictory to itself; but that's exactly the only way that I can explain the feeling. I wonder if pot can make me feel the same way. Or morphine. Or a good round of playing games. Or...