BDSCAug 1, 20173 minHow sleep paralysis worksfrom the University of Toronto How sleep paralysis works Study may lead to new treatments for sleep disorders New University of Toronto research shows that two powerful brain chemical systems work together to paralyze skeletal muscles during rapid eye movement (REM) sleep. The findings, published in the July 18 issue of The Journal of Neuroscience, may help scientists better understand the causes of sleep disorders such as narcolepsy, tooth grinding, and REM sleep behaviour d