Shockwave is a decepticon scientist with one eye and is usually logical. He was killed by Optimus Prime in DoTM alongside one of his creations; a driller. He may be alive in other movies or books.
Condition caused by prolonged use of Ecstasyor MDMA. Presents during sleep, causes person to believe that they've woken up. Person tries to talk/move/scream and is unable to move/speak. Mind realizes paralysis and is terrified. Sensation of feeling trapped in your mind. Eventually the person wakes and realization sets in.
"John is not coming out tonight, he got shockwave last night and it freaked him."