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Impact of Sleep and Its Disturbances on Hypothalamo-Pituitary-Adrenal Axis Activity



Details

  • Personal Author:
  • Description:
    The daily rhythm of cortisol secretion is relatively stable and primarily under the influence of the circadian clock. Nevertheless, several other factors affect hypothalamo-pituitary-adrenal (HPA) axis activity. Sleep has modest but clearly detectable modulatory effects on HPA axis activity. Sleep onset exerts an inhibitory effect on cortisol secretion while awakenings and sleep offset are accompanied by cortisol stimulation. During waking, an association between cortisol secretory bursts and indices of central arousal has also been detected. Abrupt shifts of the sleep period induce a profound disruption in the daily cortisol rhythm, while sleep deprivation and/or reduced sleep quality seem to result in a modest but functionally important activation of the axis. HPA hyperactivity is clearly associated with metabolic, cognitive and psychiatric disorders and could be involved in the well-documented associations between sleep disturbances and the risk of obesity, diabetes and cognitive dysfunction. Several clinical syndromes, such as insomnia, depression, Cushing's syndrome, sleep disordered breathing (SDB) display HPA hyperactivity, disturbed sleep, psychiatric and metabolic impairments. Further research to delineate the functional links between sleep and HPA axis activity is needed to fully understand the pathophysiology of these syndromes and to develop adequate strategies of prevention and treatment. [Description provided by NIOSH]
  • Subjects:
  • Keywords:
  • ISSN:
    1687-8337
  • Document Type:
    Text
  • Funding:
    Grant
  • Genre:
    Journal Article
  • Place as Subject:
  • CIO:
    National Institute for Occupational Safety and Health (NIOSH)
  • Topic:
    Workplace Safety & Health
  • Location:
    North America
  • Volume:
    2010
  • NIOSHTIC Number:
    nn:20052790
  • Citation:
    Int J Endocrinol 2010 Mar; 2010:759234
  • Contact Point Address:
    Eve Van Cauter, Sleep, Chronobiology and Neuroendocrinology Research Laboratory, Department of Medicine, The University of Chicago, Chicago, IL 60637, USA
  • Email:
    evcauter@medicine.bsd.uchicago.edu
  • Federal Fiscal Year:
    2010
  • NORA Priority Area:
    Healthcare and Social Assistance
  • Performing Organization:
    University of Chicago
  • Peer Reviewed:
    True
  • Start Date:
    20090901
  • Source Full Name:
    International Journal of Endocrinology
  • End Date:
    20150831
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:17a4abce43360a86c2223a07c48fe5457bd20f25b9c13e43b23df22e14eec5b8660f780aa99b8f43153ff46ef28c680f3261511672c38d61cbe46c06ee12e8ba
  • Download URL:
  • File Type:
    Filetype[PDF - 2.36 MB ]
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