See also:

• Society: Work: Shift Work  (12)

• American Association of Medical Chronobiology and Chronotherapeutics - Provides an organizational framework for medical scientists, including academic and practicing physicians, interested in chronobiological phenomena.
• Circadian Sleep Disorders Association - Support and providing information to those affected by circadian sleep disorders such as Delayed Sleep Phase Syndrome. Includes links, FAQs, message board and a mailing list.
• Delayed Sleep Phase Syndrome - Comprehensive site with symptoms, causes, treatments, and links to further information on DSPS and circadian rhythms.
• Light Sets the Molecular Controls of Circadian Rhythm - Work conducted at the Rockefeller University indicates that light can reset the biological clock.
• Mental Health Net - Circadian Rhythm Sleep Disorder Symptoms - General symptoms of circadian rhythm sleep disorder.
• Scientists Find Eye Pigment Controls Circadian Rhythm - A brief report on an eye pigment, cryptochrome, which appears to control mammals' circadian rhythms.
• Society for Light Treatment and Biological Rhythms - A not-for-profit international organization founded in 1988 which aims to foster research, professional development and clinical applications in the fields of light therapy and biological rhythms.

• The Brain, Circadian Rhythms, and Clock Genes - British Medical Journal Article on circadian rhythms (1998). A clinical review. (December 19, 1998)

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