What is air hunger and excessive yawning a sign of? how can i get rid of it as very uncomfortable?

Need to examine: Air hunger and yawning are different issues. It would require a detailed history, physical examination and may be some tests to come to an informed opinion. Have a healthy diet, exercise 30 minutes/day, drink plenty of water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs. For nutrition: http://www.choosemyplate.gov/. Wish you good health!