Existing theories are the Freudian theory that attributes disguised meanings to dream content, and the Hobsonian theory that reduces them to experiences of disordered brain activity. The Freudian theory gives dreams hidden meanings, and the Hobsonian theory denies that they have any significant meaning at all. Yet our immediate intuition about dreams is that they are little movies that we experience and take part in.
Dreams are normally non-lucid .
Dreams are often bizarre and incoherent. And finally, most of them are completely forgotten when we awake. We can compare those characteristics to those of a cinematic movie. The creation of a cinematic movie is a purposeful activity. One specific phenomenon that is given an interesting interpretation by this theory is that of realising that you are dreaming and then dreaming that you wake up .