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Less sleep, more hunger — the hormone maths behind it

Less sleep, more hunger — the hormone maths behind it

Sleep loss raises ghrelin and lowers leptin, so you log more food the next day — about 385 extra kcal. Here is how that shows up in your Burnie maths and what to do about it.

18 Jul 2026 · Burnie Academy
sleep hunger hormones deficit

You slept five hours. By noon your food log already shows three meals. You are still hungry. You wonder if Burnie is broken. It is not. Your maths changed overnight while you were awake. Two small hormones in your body moved, and they moved your appetite with them. Burnie cannot see those hormones. But it can see what they do to your food log. This short read is the maths of why a short night costs you extra rotis the next day.

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