Sites:
Sleep paralysis: A thread dealing with sleep paralysis (1995-1997).Sleep Paralysis and Lucid Dreaming: A scientific and personal research and account of Sleep Paralysis and its connection to lucid dreaming, alien abduction phenomena and nightmares. List of symptoms and references.
Sleep Paralysis and Related Experiences: A comprehensive site dealing with sleep paralysis, hypnagogic and hypnopompic hallucinations.
The Periodic Paralysis Resource Center: This site provides information on sleep paralysis as well as daytime paralysis.
