Awakening cortisol responses are influenced by health status and awakening time but not by menstrual cycle phase
Awakening cortisol responses are influenced by health status and awakening time but not by menstrual cycle phase
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DOI:
10.1016/s0306-4530(02)00008-2
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发表时间:
2003-01-01
影响因子:
3.7
通讯作者:
Kirschbaum, C
中科院分区:
文献类型:
--
作者:
Kudielka, BM;Kirschbaum, C
Recent evidence dsuggested that the free cortisol response to awakening is influenced by awakening time in healthy younger adults (Edwards et al., 2001). In order to investigate this association further, 179 community-dwelling subjects of a large age range (4-75 yrs) participated in the present study. The sample consisted of 99 women, 67 men and 13 children. Subjects were instructed to obtain saliva samples directly after awakening as well as 15, 30, 45, and 60 minutes thereafter. A first analysis revealed that salivary cortisol profiles after awakening in healthy subjects differed from profiles in subjects who reported health problems or a chronic disease (p = 0.02) with healthy subjects showing a larger cortisol response. Therefore, only healthy subjects were included in the following analyses.Subjects woke up between 0455 and 1203 h. Time of awakening strongly influenced the course of morning cortisol levels. Cortisol profiles differed significantly between two wake-up groups (p