What are the different stages of sleep? In your discussion, please include the stage of dreaming and it’s importance in your answer.

What are the different stages of sleep? In your discussion, please include the stage of dreaming and it’s importance in your answer.
What is hypnosis? Discuss how hypnosis affects consciousness?
What is the difference between physical dependence and psychological dependence on a drug?
Compare and contrast the specific short-term and long term physical and psychological effects of two different illegal “drugs (e.g., Meth, Cocaine, Heroin, MDMA).