Frequent nightmares are associated with blunted cortisol awakening response in women
Tamás Nagy1, Gyöngyvér Salavecz2, Péter Simor3
1Doctoral School of Psychology, Eötvös Loránd University, Izabella u. 46, H-1064 Budapest, Hungary.
Abstract:
Nightmares are relatively common sleep complaints that seem to be associated with affective distress. To date, few attempts have been made to link nightmares to the biological markers of the stress response, and the HPA response in particular. The present study examined the relationship between frequent nightmares and the cortisol awakening response (CAR) in a cross-sectional study of working women (N=188). Analysis revealed that those who reported frequent nightmares (N=13) showed a blunted CAR on a working day, compared to those who did not report nightmares. This result was independent of psychiatric symptoms, demographic variables, and lifestyle. Our preliminary findings suggest that decreased HPA reactivity might be a trait-like feature of women with frequent nightmares.
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