Stress Reactivity, Wellbeing and Functioning in University Students: A Role for Autonomic Activity During Sleep.

Autor: Joubert M; School of Psychiatry, University of New South Wales Sydney, Sydney, Australia., Beilharz JE; School of Psychiatry, University of New South Wales Sydney, Sydney, Australia., Fatt S; School of Psychiatry, University of New South Wales Sydney, Sydney, Australia., Chung YM; School of Psychiatry, University of New South Wales Sydney, Sydney, Australia., Cvejic E; School of Psychiatry, University of New South Wales Sydney, Sydney, Australia.; Faculty of Medicine and Health, School of Public Health, University of Sydney, Sydney, Australia., Vollmer-Conna U; School of Psychiatry, University of New South Wales Sydney, Sydney, Australia., Burton AR; Neuroscience Research Australia, Sydney, Australia.
Jazyk: angličtina
Zdroj: Stress and health : journal of the International Society for the Investigation of Stress [Stress Health] 2024 Dec; Vol. 40 (6), pp. e3509. Date of Electronic Publication: 2024 Nov 30.
DOI: 10.1002/smi.3509
Abstrakt: Sleep is a key biological mechanism in promoting wellbeing and resilience to stress. This cross-sectional study examined connections between sleep, autonomic function, wellbeing, and stress reactivity in healthy individuals. Demographic, lifestyle, sleep, and psychological well-being information were collected from 85 healthy university students. These variables were analysed in conjunction with indices of cardiac autonomic activity, including heart rate and high frequency heart rate variability (HF HRV, an indicator of parasympathetic vagal tone) recorded during nocturnal sleep onset and in response to a cognitive stressor. Correlational analyses revealed that unrefreshing and fragmented sleep was strongly associated with lower HF HRV at sleep onset, suggestive of poorer autonomic de-arousal. Further, those with minimal increases in HF HRV from wakefulness to sleep reported worse sleep quality and greater challenges in daily activities compared to those with significant increases. This same group also demonstrated significantly greater reactivity and slower recovery when faced with a stressor the next day, as evidenced by comparison of heart rate values. Our findings suggest an association between autonomic hypervigilance and aspects of sleep quality, with potential implications for wellbeing and stress responses.
(© 2024 John Wiley & Sons Ltd.)
Databáze: MEDLINE
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