Article: Insomnia And The Use Of Bright Light Therapy
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Insomnia And The Use Of Bright Light Therapy
The use of light as a therapeutic tool has a long history, with reports of sunlight being used to treat depression and lethargy over 2000 years ago in ancient Greece and Rome. The use of light in therapy today however stems largely from research carried out in the 1980s that looked at the cycle of depression, and other problems, associated with changes in the seasons of the year.
Many of the body's functions are regulated by an internal clock which operates on a pattern that repeats roughly every 24 hours and that gives a rhythm to our lives. Indeed, this is often referred to as the body's circadian rhythm, from the Latin 'circa dies' meaning 'about a day'.
Unlike your kitchen clock or wrist watch, however, which are more often than not powered by batteries th...
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