Cortisol Awakening Response
Updated April 12, 2023
Sex and Adrenal Hormones Program
The Cortisol Awakening Response (CAR) refers to the natural peak of cortisol (adrenal hormone) in the morning which provides energy for arousal and getting the day started. If under stress and too high, it can raise blood pressure and blood sugar in the morning. If it occurs too early in the morning, it can wake people at 4-5 am. If it occurs too late, then waking is difficult and there may be anxious and/or irritable periods during the daytime…
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Cortisol
Hormonal Web
Biorhythms
References
- The circadian system modulates the cortisol awakening response in human.2022
- Cortisol Awakening Response 34 Similar articles last 5 yrs for PMID_ 36408390 – Search Results – PubMed
- Existence of an endogenous circadian blood pressure rhythm in humans that peaks in the evening.2011.harvard
- How do maternal emotion and sleep conditions affect infant sleep-a prospective cohort study.2022
- Inter-individual Differences and Intra-individual Variability in the Cortisol Awakening Response- An Examination of Age and Gender.2009
