DUTCH Cortisol Awakening Response (Test 5 Points)
When we open our eyes upon waking, cortisol levels naturally begin to rise by an average of 50%. Thirty minutes after waking, cortisol levels will still show this sharp increase. By 60 minutes after waking, cortisol levels have peaked and begun to decline. Measuring this rise and fall of cortisol levels at waking can be used as a “mini stress test”. Research shows that the size of this increase correlates with the HPA-axis function, even if the individual sample measurements are all within range. A quick saturation of saliva swabs upon waking and at 30 and 60 minutes after waking provides what is required to assess a patient’s cortisol awakening response. Additional samples at dinner and bedtime provide the daily picture of free cortisol.
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