Adderall contains amphetamine, a CNS stimulant. It's commonly prescribed to cure attention deficit hyperactivity disorder (ADHD). Caffeinated Coffee is also a stimulant.
Ambien and Lunesta both medicines are used to treat specific sleep problems (insomnia).
Oxycontin and Hydrocodone are both opioid pain relievers. These are prescription-based drugs used to treat moderate to moderately severe pain.