What Predicts Distress After Episodes of Sleep Paralysis? University of Waterloo Study

Ever find yourself briefly paralyzed as you’re falling asleep or just waking up? It’s a phenomenon is called sleep paralysis, and it’s often accompanied by vivid sensory or perceptual experiences, which can include complex and disturbing hallucinations and intense fear. For some people, sleep paralysis is a once-in-a-lifetime experience; for others, it can be a frequent, even nightly, phenomenon.