The Treatment of Sleep Disorders in Older People National Institutes of Health Consensus Development Conference Statement, March 26-28, 1990. Comprehensive. http://text.nlm.nih.gov/nih/cdc/www/78txt.html

Children Who Sleep With Light on May Damage Their Sight News item from British Medical Journal (1999). http://www.bmj.com/cgi/content/full/318/7195/1369/a

Sudden Infant Death Syndrome (SIDS) in the Child Care Setting U.S. National Center for Infectious Diseases Centers for Disease Control and Prevention information sheet. http://www.cdc.gov/ncidod/hip/abc/facts40.htm

Comfortable Sleep Position during Pregnancy Parenthood article. http://www.parenthoodweb.com/articles/phw266.htm

BabyCenter - Sleep During Pregnancy Describes how pregnancy will affect sleep and what to do about it (also has useful links). http://www.babycenter.com/refcap/7512.html

Sleepwalking in Children Definition, symptoms, and what a parent should do. American Academy of Family Physicians (AAFP). http://familydoctor.org/160.xml

Dr. Postolache - The Institute for Sports Chronobiology Consulting on optimizing sports performance via optimizing sleep-wake schedules and biological rhythms. http://www.drpostolache.com