A lucid dream is a dream during which the dreamer is aware that they are dreaming. During a lucid dream, the dreamer may gain some amount of control over the dream characters, narrative, and environment; however, this is not necessary for a dream to be described as lucid.
== Etymology ==
The term 'lucid dream' was coined by Dutch author and psychiatrist Frederik van Eeden in his 1913 article A Study of Dreams, though descriptions of dreamers being aware that they are dreaming predates the actual term. Frederik Van Eeden studied his personal dreams since 1896. He wrote down the most interesting...