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Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, neonatal jaundice, and skin wound infections.
Light therapy can improve sleep quality, improve sleep efficiency, and extend sleep duration by helping to establish and consolidate regular sleep-wake cycles. Light therapy is a natural, simple, low-cost treatment that does not lead to residual effects or tolerance. Adverse reactions include headaches, eye fatigue, and even mania. [187]
For workers who want to use bright light therapy, appropriate fixtures of the type used to treat winter depression are readily available [47] but patients need to be educated regarding their appropriate use, especially the issue of timing. Bright light treatment is not recommended for patients with light sensitivity or ocular disease.
Chronic insomnia often requires more comprehensive treatment to help you address underlying causes, implement healthy sleep habits and learn techniques to manage sleep-disrupting thoughts and ...
Insomnia affects 10% to 15% of the U.S. population, and it’s usually caused by a variety of biological and behavioral factors, says Dr. Sairam Parthasarathy, director of the University of ...
Norman E. Rosenthal is an American author, psychiatrist and scientist who first described seasonal affective disorder (SAD), and developed light therapy as a treatment. Rosenthal was born and educated in South Africa but moved to the United States to complete his medical training.
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