Biological Rhythms - Circadian Rhythm

Curated, Annotated Bibliography

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New Articles

Dayan J, Rauchs G, Guillery-Girard B.  Rhythms dysregulation:  a new perspective for understanding PTSD?   J Physiol Paris   2017

Biological dysfunctions may be seen as dysregulation in endocrine rhythm, sleep organization, and temporal synchrony in brain activity.  Better knowledge of biological rhythms may help explain the heterogeneity of PTSD and shed new light on association with some frequent medical disorders.

Classic Articles

Emens JS, Burgess H. Effect of Light and Melatonin and Other Melatonin Receptor Agonists on Human Circadian Physiology.  Sleep Med Clin.  2015.  FREE FULL TEXT ARTICLE

Circadian (body clock) timing has a profound influence on mental and physical health.  Overview of human circadian system is provided.  Important features of light treatment, light avoidance, exogenous melatonin, and other melatonin receptor agonists are reviewed.

Shaffer F, et al.  A healthy heart is not a metronome: an integrative review of the heart’s anatomy and heart rate variability. Frontiers in Psychology. 2014.   FREE FULL TEXT ARTICLE

EXCELLENT PRIMER on Heart rate variability (HRV), the change in the time intervals between adjacent heartbeats.  HRV is a property of several interdependent regulatory systems.  Examines association between reduced HRV, risk of disease and mortality, and the loss of regulatory capacity.

Articles by Date

Sobolewska-Wlodarczyk A, Wlodarczyk M, Szemraj J, et al.  Circadian rhythm abnormalities – Association with the course of inflammatory bowel disease.   Pharmacy Rep.  2016.

Review describes current state of knowledge about relationship between circadian rhythm disorders, sleep disturbance and inflammation in the GI tract (Crohn’s disease and ulcerative colitis).