“Stream of Consciousness” is a progressive metal song by Dream Theater, appearing on their 2003 album Train of Thought. The song lasts for 11 minutes and 16 seconds. The song appears as the sixth song on the album, as a direct continuation of Vacant.
The song gets its name from an early working title for the album Falling into Infinity, and the parallel between the concepts of “stream of consciousness” and “train of thought”. The song Lines in the Sand (from Falling into Infinity) contains the lyrics “In the stream of consciousness, there is a river crying.”
The song is a popular inclusion in Dream Theater’s live shows and appears on the live album and DVD Live at Budokan.