Hypnagogic hallucinations are visions or sounds that happen as you fall asleep. The idea of having hallucinations can be upsetting. Hallucinations are usually associated with serious mental conditions ...

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 ...

The Beatles’ song Yesterday was written in what psychologists refer to as the “hypnagogic state”. This is the twilight zone between sleep and wakefulness, when we drowsily linger in a semi-conscious ...