hypnotoxin 1. A sleep-inducing substance that accumulates in the body during waking hours. 2. A toxic substance that, according to a discredited hypothesis, accumulates in the bloodstream during drowsiness and ultimately induces sleep. Found on http://www.wordinfo.info/words/index/info/view_unit/2166/6
hypnotoxin 1. A sleep-inducing substance that accumulates in the body during waking hours. 2. A toxic substance that, according to a discredited hypothesis, accumulates in the bloodstream during drowsiness and ultimately induces sleep.