
Daytime mind wandering is linked to dream content while asleep, study finds

As you might imagine, almost all REM dreams fall into one of these two categories—90 to 100 percent, depending on the study. In contrast, self-representation is seen in only two-thirds of non-REM dream reports and in somewhere between a quarter and two-thirds of sleep-onset hypnagogic dreams, depending on exactly how long after sleep onset the repo
... See moreRobert Stickgold • When Brains Dream: Understanding the Science and Mystery of Our Dreaming Minds: Exploring the Science and Mystery of Sleep
The constant interpenetration of the dream life into reality, and vice versa, should successfully teach us that they are one and the same experience, with only a slightly different texture.