In a previous post entitled Have You Experienced Daytime Parahypnagogia?, I discussed my hypothesis of a previously undocumented altered state of consciousness, DPH for short. I conceptualized the experience as an extremely brief dissociative dreamlike episode occurring during waking hours that interferes with attention and alertness. It consists of a flash of an auditory or visual image, a thought, an insight and/or a spark of creativity. One is conscious of the event, but as in a dream, the memory of the content fades quickly as attention becomes refocused on the matters at hand. Following my publication in Medical Hypotheses, I conducted an empirical study to determine the extent and manner this phenomenon is experienced. I sampled two populations: clinical psychologists and university students. Continue Reading