About Dreams and Nightmares
- Scientific American: Lucid Dreams Unlock Clues about Unconsciousness
- Psychology Today's Dreamcatcher Blog
- Lucidity Institute: Lucid Dreaming FAQ
- PBS Nova: What Are Dreams? (Transcript at site but not entire video)
- WikiHow: How to Lucid Dream (Has some interesting tips.)
- LD4all: Lucid Dreaming Community
- University of Maryland Medical Center: Nightmares -- Treatment
- The Lucid Dreaming Blog How to Lucid
- National Sleep Foundation
- American Sleep Association
- American Academy of Sleep Medicine
- British Sleep Society
- Canadian Sleep Society
- European Society of Sleep Technologists: Links for sites around the world
- Centers for Disease Control and Prevention: Sleep Home Page
- Association of Professional Sleep Consultants
- The Sleep Help Institute
- Science Daily Sleep Disorder Research News (updates constantly)
- Stamford University Center for Human Sleep Research
- CDC: Insufficient Sleep is a Public Health Epidemic (includes statistics)