At what time of day are we most prone to stress?


The afternoon, the most vulnerable moment


According to data from a study conducted by Hokkaido University in Japan, the afternoon is the time of day when we feel most vulnerable. The events we experience in this part of the day affect us more than those of us who live in the mornings.



The study talks about the hypothalamic-pituitary-adrenal (HHA) axis whose function is to connect the endocrine system with the central nervous system. When we experience a stressful event it activates and begins to secrete a hormone colloquially known as stress and whose scientific name is cortisol. This substance prepares us, in a certain way, to respond to what alters us, to the external stimuli we perceive. However, in the afternoon the cortisol response is much more scarce than in the mornings.


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