Oxycodone, tizanidine (alpha2 adrenoreceptor agonist, that reduces (nor)adrenaline release.
Chlormethiazole, nitrazepam, and a can of beer.
Does nicotine count? I've got a couple of nicotine mouth sprays. And of course, I like my rollups.
I've found that highish doses of nicotine produce very vivid dreaming. So intense that I don't know if I am awake or asleep at times.