Have you ever found yourself drifting off to sleep, only to be suddenly jolted awake by a brilliant idea or a vivid, dream-like vision? If so, you've likely experienced the hypnagogic state—a unique ...

A hypnagogic hallucination is a benign visual, auditory, or tactile hallucination that occurs in the state between wakefulness and sleep. Our editors independently select these products. Making a ...