1. Insomnia Information
- Recognizing the huge numbers of people who suffer from sleep problems, this site has help for insomnia, curious insomnia cures, and sleep information resource links. Insomnia Information. | Insomnia articles and links.
http://www.stanford.edu/~dement/insomnia.html

2. Different kinds of insomnia [Archive] - SoberRecovery : Alcoholism Drug Addiction Help and Inform...
Different kinds of insomnia. Insomnia is difficulty in initiating and/or maintaining sleep. Insomnia is not a disorder, it is a symptom. There are different kinds of insomnia: A disorder in which the major sleep episode is delayed in relation to...
http://soberrecovery.com/forums/archive/index.php/t-85745.html

3. eMedicine - Sleep Disorder: Problems Associated With Other Disorders : Article by Dennis A Nutter...
Alcohol-induced sleep disorder typically occurs as the insomnia type. Substance-induced sleep disorder most commonly occurs during intoxication with substances, such as alcohol, amphetamine and related substances, caffeine, cocaine, opioids and...
http://www.emedicine.com/PED/topic2656.htm