You can't run on a full stomach.

饱餐之后不能跑步。

《牛津词典》

You shouldn't exercise on a full stomach.

你不应该吃饱了就运动。

《牛津词典》

The brain does not sleep well on a full stomach.

当胃部饱满的时候，大脑不易睡着。

youdao

Mr Kim is marching his country in the right direction, but it will not be marching on a full stomach for some time to come.

ECONOMIST: Kim the peacemaker

Knowing full well that the last thing residents in Camden could stomach would be fewer cops on the streets, the unions said no to the mayor's request, essentially daring her to make the threatened cuts.

CNN: Politicians should put what's right ahead of winning votes