1. Sleep-Alertness Disorders Center Homepage
The main goal of this Web site is to inform you, the patient or health care professional, about sleep disorders, especially symptoms that are likely to be associated with sleep or alertness disorders, and about our center.
http://www.sleepdisorderscenter.com/

2. MedlinePlus: Sleep Disorders
Sleep Disorders Is it hard for you to fall asleep or stay asleep though the night? (National Institute of Neurological Disorders and Stroke) Sleep Disorders. Sleep Initiation and Maintenance Disorders.
http://www.nlm.nih.gov/medlineplus/sleepdisorders.html

3. Insomnia Information
A disorder of initiating and maintaining sleep due to an allergic response to food allergens. Insomnia is difficulty in initiating and/or maintaining sleep. The Stanford Sleep Disorders Clinic has launched the first group therapy program for...
http://www.stanford.edu/~dement/insomnia.html