There is evidence that hunger increases discounting for food rewards, biasing choices towards smaller but sooner food reward over larger but later reward.
Researchers found strong evidence that hunger causes large increases in delay discounting for food, with an approximately 25% spillover effect to non-food commodities. This discounting can cause negative outcomes in many non-food domains:
Caution may be necessary when making decisions involving non-food outcomes while hungry.
In conclusion, sleep and eat on it, before making a final decision.