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Journal of Endocrinological Investigation

, Volume 15, Issue 6, pp 475–478 | Cite as

Effect of awakening on aldosterone

  • M. Follenius
  • M. O. Krauth
  • J. Saini
  • G. Brandenberger
Short Communication

Abstract

Overnight studies conducted in 10 male volunteers showed that the effect of awakening on aldosterone and its main regulatory hormonal systems depends on the time of its occurrence. Waking periods in the latter half of the night induced concomitant increases in plasma levels of aldosterone and ACTH, whereas plasma renin activity tended to decrease. No effect was apparent, when subjects were awoken during the first hours of sleep, which is known to be a quiescent period of adrenocorticotropic activity. These results provide evidence of the dominant influence of ACTH during the second half of the night insuring the regulation of aldosterone during waking periods.

Key-words

Aldosterone ACTH Cortisol plasma renin activity sleep awakening 

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Copyright information

© Italian Society of Endocrinology (SIE) 1992

Authors and Affiliations

  • M. Follenius
    • 1
  • M. O. Krauth
    • 1
  • J. Saini
    • 1
  • G. Brandenberger
    • 1
  1. 1.Laboratoire de Physiologie et de Psychologie Environnementales CNRS/INRS, UMR 32Strasbourg CedexFrance

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