Central nervous system depression, also known as CNS depression, refers to the slowing of brain function due to the suppression of the central nervous system. It can be caused by certain drugs or medical conditions and can result in symptoms such as confusion, dizziness, and drowsiness. There are a number of synonyms for CNS depression, including central nervous system depression syndrome, CNS depression disorder, central nervous system depression symptoms, and CNS depression effects. Other related terms include sedation, lethargy, tranquility, and sleepiness. It is important to seek medical attention if you experience any symptoms of CNS depression, as it can be a serious condition if left untreated.