The following Web sites include information and resources about sleep disorders and about the field of sleep medicine.

• American Academy of Sleep Medicine (AASM)
• American Association of Sleep Technologists
  American Board of Sleep Medicine (ABSM)
• Associated Professional Sleep Societies (APSS)
• European Sleep Research Society (ESRS)
• Journal of Sleep Research
• National Center on Sleep Disorders Research at NIH (NCSDR)
• National Library of Medicine PubMed Search
• National Sleep Foundation (NSF)
• SleepEducation.com
• Sleep Journal
• Sleep Research Society (SRS)
• Society for Research on Biological Rhythms (SRBR)