Which of the following would be considered central nervous system depressant?

Central Nervous System (CNS) depressants are substances that slow down the activity of the CNS. Examples of CNS depressants include:

- Alcohol (ethanol)

- Barbiturates (e.g., phenobarbital, secobarbital)

- Benzodiazepines (e.g., diazepam, alprazolam)

- Opioids (e.g., morphine, heroin, oxycodone)

- Nonbenzodiazepine hypnotics (e.g., zolpidem, eszopiclone)

- Antipsychotics (e.g., chlorpromazine, olanzapine)

- Antidepressants (e.g., tricyclic antidepressants, selective serotonin reuptake inhibitors)

- Anticonvulsants (e.g., phenytoin, carbamazepine)

- Muscle relaxants (e.g., cyclobenzaprine, methocarbamol)

- General anesthetics (e.g., propofol, sevoflurane)