Do drugs influence dreaming?
At the least, they often make dreams more vivid and scary, as seen best when L-dopa is given to those suffering from Parkinson’s Disease. However, there are no large-scale studies showing if and how specific drugs may influence dream content. For an interesting pilot study on how an SSRI (selective serotonin reuptake inhibitor) affected the dreams of a young woman suffering from anxiety attacks, along with references to past studies, click here.