I haven't, and it's not plural. It happened one time when I was 22. I'm 27 now. Edit: This forum's moderators also do not let certain talk of substances be mentioned, so I have alluded to what I ingested instead of outright saying the word. This is what caused the hallucination (only with my eyes closed, I wouldn't see anything with them open) pre-sleep and ruined this energy feeling/mania/walk-in/whatever it was. This was also the first time I did that and won't do it again.