- Sleep Paralysis - A comprehensive site that highlights the causes, effects, and treatments of this sleep disorder while letting you know that you're not alone.
- 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.
