J Clin Endocrinol Metab August 2001 PMID 11502812

Chronic insomnia is associated with nyctohemeral activation of the hypothalamic-pituitary-adrenal axis: clinical implications.

A N Vgontzas, E O Bixler, H M Lin, P Prolo, G Mastorakos, A Vela-Bueno, A Kales, G P Chrousos

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What people are saying

The discussions reflect a general recognition of the research's findings, with comments like 'check this' and brief confirmations, indicating curiosity but minimal in-depth analysis. The tone and context suggest a casual interest rather than a passionate debate on the subject.

AgreementModerate agreement

Most discussions acknowledge the link between insomnia and HPA axis activity, showing moderate support for the findings.

InterestModerate interest

Participants show some curiosity about the clinical implications but do not deeply explore the topic.

EngagementModerate engagement

Posts include brief comments and requests for clarification rather than extensive analysis, indicating moderate engagement.

ImpactNeutral impact

While the topic is relevant, the discussions suggest limited perception of immediate or broad impact beyond academic or clinical circles.

Abstract in brief

Chronic insomnia is linked to increased activity of the hypothalamic-pituitary-adrenal (HPA) axis, leading to higher levels of stress hormones like ACTH and cortisol, especially during the evening and early night.
Insomniacs tend to sleep poorly, with longer times to fall asleep and more wakefulness, and they show significantly elevated hormone levels compared to healthy individuals, with those experiencing more severe sleep disturbances having even higher cortisol secretion.
Despite the increased hormone secretion, the overall daily rhythm or timing of these hormones remains normal, indicating that insomnia causes heightened stress hormone levels without disrupting their natural circadian patterns.

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