Rethinking the cortisol awakening response: Is waking up that stressful?
For decades, scientists have believed that waking up triggers a surge in cortisol — a hormone that helps regulate stress, metabolism, and immune function. This phenomenon, known as the “cortisol awakening response” (CAR) has been widely used in research on mental health conditions like PTSD, depression, and schizophrenia, as well as chronic illnesses such as […]
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