Why Your Cortisol Is Highest When You Most Need to Sleep
25th Jun 2026
Most people think of cortisol as a morning hormone. Under healthy conditions, that’s largely correct. Cortisol peaks sharply within the first thirty minutes of waking – a surge called the cortisol awakening response – mobilizing energy, sharpening focus, and preparing your body for the day ahead. By evening, it should have declined to near its daily low point, creating the hormon
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