13 Bad Habits Making You Fat While You Sleep


13. You Had Too Much Sodium.

One potential reason for sudden, overnight, weight gain could be that your body is retaining water, which can happen in the event of a sudden rise in sodium intake.

As long as you return to your normal diet, and be wary of your sodium intake, the sudden belly fat you have should disappear in a day or two. Your body just needs time to process and expel all the excess sodium and fluids.