If you're feeling dizzy from your nausea, try not to move around too much, even when your stomach is doing somersaults—unless vomiting is imminent.  The most important thing to do when fighting dizziness is to keep your head still.  Always get up slowly after resting to prevent head spins. Alternatively, if you get head spins, you can work through it.

How would you rephrase that briefly using Indonesian?
Berikan apa yang dibutuhkan tubuh.