cenuke

Basically this happened only twice out of all the times I was high. The upper left of my left eyebrow would twitch for a long time like 2 hours, it would just keep twitching and twitching, like the eyelid twitch you get sometimes when you sneeze, it just wont stop for the eyebrow one though until im sober. I just want to know, what causes this? Sometimes when it happens I start to get very paranoid thinking my whole body might start spazzing out, eventually I get used to it though but its still scary.