The correlation between the electroencephalographic spectral analysis and salivary cortisol rhythm in insomnia

Bolattürk, Ömer Faruk; İsmailoğulları, Sevda; Aldemir, Ramazan; Tokmakçı, Mahmut; Ulusoy, Ersin Kasım

doi:10.1007/s11325-020-02032-1

Cited by 3 publications

(1 citation statement)

References 25 publications

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“…Although research results on the connection between chronic insomnia and cortisol levels vary, chronic insomnia has been considered associated with an increased risk of mental health issues. [18] Research [19] has observed a significant positive correlation between the Insomnia Severity Index and morning cortisol levels, indicating that individuals with higher insomnia severity exhibit higher levels of cortisol in the morning. This finding is consistent with the hypothesis that chronic insomnia is related to a high state of arousal, showing an activated stress response system in individuals with severe insomnia through elevated cortisol levels.…”

Section: Pathogenesismentioning

confidence: 99%

Advancements in the physiopathological study of acupuncture treatment for insomnia: A review

Zhao,

Liu,

et al. 2024

Medicine

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Insomnia is a common sleep disorder that significantly impacts an individual’s psychological and physical health, characterized by persistent difficulties in falling asleep, decreased sleep quality, and impaired daytime functioning. Traditional treatment approaches primarily rely on pharmacotherapy and behavioral therapy, yet not all patients benefit from these methods, and they often come with certain side effects. Thus, identifying safe and effective alternative or adjunctive treatments is of paramount importance. The purpose of this paper is to review the research progress on acupuncture in the treatment of insomnia and to explore the mechanisms by which acupuncture may treat insomnia through regulating neurotransmitters and nervous system, anti-inflammatory actions, and improving neuroplasticity, providing evidence to support the broad application of acupuncture in clinical practice.

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Section: Pathogenesismentioning

confidence: 99%

Advancements in the physiopathological study of acupuncture treatment for insomnia: A review

Zhao,

Liu,

et al. 2024

Medicine

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HPA axis activity in patients with chronic insomnia: A systematic review and meta-analysis of case–control studies

Dressle

Feige

Spiegelhalder

et al. 2022

Sleep Medicine Reviews

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Amygdala resting-state functional connectivity alterations in patients with chronic insomnia disorder: correlation with electroencephalography beta power during sleep

Kweon,

Lee,

Choi

et al. 2023

Sleep

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Study objectives This study investigated alterations in resting-state functional connectivity (RSFC) and hyperarousal biomarkers in patients with chronic insomnia disorder (CID), compared with good sleepers (GS). We also examined the relationships between altered RSFC and hyperarousal biomarkers. Methods Fifty patients with CID and fifty-two GS completed self-reporting questionnaires, and then underwent polysomnography and resting-state functional magnetic resonance imaging. We analyzed RSFC in the amygdala (AMG) and anterior insula (aINS), which are core regions of the salience network that are likely to be involved in hyperarousal. We also analyzed electroencephalography (EEG) relative beta power and heart rate variability (HRV) parameters (e.g., low and high frequency) during sleep. We then tested between-group differences in the RSFC and hyperarousal biomarkers; we examined correlations of RSFC with EEG beta power and HRV. Results Compared with GS, patients with CID showed more negative RSFC between the right AMG and left supramarginal gyrus (SMG), but less positive RSFC between the left aINS and bilateral lateral prefrontal cortex. The AMG-SMG RSFC was negatively correlated with EEG beta power in central regions (C3: r = −0.336, P = 0.012; C4: r = −0.314, P = 0.024). Conclusions Decreased RSFC between the AMG and SMG in patients with insomnia may reflect difficulty in cortical top-down regulation of the AMG, indicating daytime hyperarousal. Individuals who experience hyperarousal during the daytime may also exhibit cortical hyperarousal during sleep, as indicated by increased EEG beta power.

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The correlation between the electroencephalographic spectral analysis and salivary cortisol rhythm in insomnia

Cited by 3 publications

References 25 publications

Advancements in the physiopathological study of acupuncture treatment for insomnia: A review

Advancements in the physiopathological study of acupuncture treatment for insomnia: A review

HPA axis activity in patients with chronic insomnia: A systematic review and meta-analysis of case–control studies

Amygdala resting-state functional connectivity alterations in patients with chronic insomnia disorder: correlation with electroencephalography beta power during sleep

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