Illuminating rationale and uses for light therapy

J Clin Sleep Med. 2009 Apr 15;5(2):155-63.


Light therapy is increasingly applied in a variety of sleep medicine and psychiatric conditions including circadian rhythm sleep disorders, seasonal affective disorder, and dementia. This article reviews the neural underpinnings of circadian neurobiology crucial for understanding the influence of light therapy on brain function, common mood and sleep disorders in which light therapy may be effectively used, and applications of light therapy in clinical practice.

Publication types

  • Review

MeSH terms

  • Chronobiology Disorders / therapy*
  • Circadian Rhythm / physiology
  • Dementia / therapy
  • Humans
  • Phototherapy / methods*
  • Seasonal Affective Disorder / therapy
  • Sleep Disorders, Circadian Rhythm / therapy
  • Sleep Initiation and Maintenance Disorders / therapy