As you complete this exercise, consider the following:Have you ever been able to remember more than one dream in one night?Have you tried to figure out the meaning of your dreams or ever wondered about possible symbolism in dreams?By the end of this activity, you will be able to:define and provide examples of biological rhythms, including the sleep cyclecompare and contrast theories of the nature and functions of dreamsdescribe and locate the complex functions of the cerebral cortexComplete the following:Please write a two – three page essay covering the following topics:Describe how sleep changes during the course of one night?Describe these changes related to changes in the electrical activity of the brain.When do you dream during the sleep cycle?Are there differences in the types of dreams that occur at different times?What functions did Freud attribute to dreams?What functions do researchers think dreams serve today?Your essay should be a minimum of 500 words (two-three pages) and should completely address each question. Cite at least two references including the text to support your response. Although APA Style is not required for this essay your writing should be clear and concise. Please submit via the assignment drop box as a WORD attachment.