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What Actually Happens to Your Body After One Bad Night of Sleep

One rough night feels fine. But here's what's quietly happening inside your body hour by hour. 😳

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One rough night feels fine. But here's what's quietly happening inside your body hour by hour. 😳

Transcript

One bad night — feels fine the next morning, right? Cortisol — your stress hormone — can spike after even one short night of sleep. Your focus drops, your immune response dips, and your appetite hormones shift — all in under 24 hours. And the tricky part? Sleep debt accumulates — a few nights in a row and the effects multiply. The first step is just paying attention — follow for more tips on reading your body's signals.