Sleeping pills fall into the category of and tend to decrease central nervous system activity. The desired effects are euphoria, relaxation, anxiety reduction and reduced inhibitions. Side effects include drowsiness, mood swings, and severe impairments in motor coordination and mental functioning. These drugs have high rates of dependence and fatal overdose potential. They also increase the risk of accidental injuries because they severely impair motor coordination. Two examples of these are .

Suppose you are a freshmen in college and you have not declared a major. one reason you enrolled at your respective college was the school's vibrant social life. at the same time, you want to balance your academic life because you know that your grades will matter for graduate school or job applications. you decide to forgo partying for two hours to study for an upcoming economics exam. in your first semester's principles of economics class, you learn that the enjoyment you would have received from partying is an example of a(n)