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 state,... Read more »
Have you ever had a brilliant idea while falling asleep or woken up with the perfect solution to a problem? You’ve experienced what experts call “threshold consciousness” – those altered mental states... Read more »