Bernard Werber. Empire of angels (№ 377295)

During sleep the left hemisphere leaves the right alone. And the latter starts to scroll your inner film: the characters changing in the course of action by individuals, is unthinkable, unreal, delusional phrase, all of a sudden short-lived intrigues and also sudden starting the other, it does not connected a failure, without beginning or end.
With the awakening, however, the left hemisphere regains its dominance and decrypts the memories of the dream so that they acquire some kind of coherence (unity of time, place and action) and as soon as the day is on the wane, become quite "logical".