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Society for Light Treatment and Biological Rhythms - http://www.sltbr.org/
An international organization promoting research, professional development and clinical applications, with details of meetings and membership. |
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Center for Environmental Therapeutics - http://www.cet.org/
Non-profit organization dedicated to education and research on treatments for SAD, nonseasonal depression and circadian rhythm sleep disorders. Includes forum, FAQ and self-assessment tool. |
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Seasonal Affective Disorder: Winter Depression - http://www.ncpamd.com/seasonal.htm
Discusses the diagnosis and treatment of this disorder. Covers related mood and sleep problems. |
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Brighten Your Life - http://www.brightenyourlife.info/
An online book by a psychiatrist about bright light therapy for depression and sleep. |
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What is SAD? - http://www.nosad.org/
Basic fact sheet from the National Organization for SAD. |