Briefly describe the neuronal regulation of sleep

Briefly describe the neuronal regulation of sleep. ( this question must include a discussion of important brain regions, neurotransmitters, and/or sleeping disorders that support the role of the brain and nervous system in regulating sleep and waking.

 Now, Choose a drug that alters sleeping or waking and describe how that drug works, include in answer the receptor to which the drug binds, whether it is an agonist or antagonist, and what happens to neurotransmission once a person ingests that drug.