dream
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Ambigram_Magic_Dream_-_mirror_symmetry_with_a_handheld_pattern_giving_a_reversed_shadow_on_a_blue_wall.jpg/220px-Ambigram_Magic_Dream_-_mirror_symmetry_with_a_handheld_pattern_giving_a_reversed_shadow_on_a_blue_wall.jpg)
What is a dream?
series of images, thoughts, and emotionss, often with a story-like quality, generated by mental activity during sleep; the state in which this occurs.
What do we dream?
Our brain takes pieces of memories and put them together into a dream.
Types of Dreams:
1. lucid dream: dream where one is aware that they are dreaming.
2. recurring dream: dream which is experienced repeatedly over a long period.
3. daydream: remembering past or future
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Briullov%2C_Karl_-_A_Dream_of_a_Girl_Before_a_Sunrise.jpg/220px-Briullov%2C_Karl_-_A_Dream_of_a_Girl_Before_a_Sunrise.jpg)
4. nightmare: unpleasant dream or bad dream
5. progressive dream: These dreams continue over a period of nights