EIGHT OF 10 persons who are blind report frequent bouts of trouble sleeping and maintaining alertness. The cyclic nature of such complaints points to their underlying cause, desynchrony in circadian, or daily, rhythms, said speakers at the joint meeting of the Society for Research on Biological Rhythms and the Society for Light Treatment and Biological Rhythms held at Amelia Island, Fla, this spring. Better understanding of this etiology, speakers said, also holds the key to better treatment.
Lamberg L. Blind People Often Sleep Poorly; Research Shines Light on Therapy. JAMA. 1998;280(13):1123–1126. doi:10.1001/jama.280.13.1123
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