Dream dictionary: Yawn dream meanings

Your indifference can hurt your relationships.

…If you yawn in your dreams, you will search in vain for health and contentment. To see others yawning, foretells that you will see some of your friends in a miserable state. Sickness will prevent them from their usual labors….

The dream in which you see someone yawn means that the friend who is close to you will get some kind of sickness. When you are the one who is yawning, then you will have a minor disappointments if you won’t let yourself down, because it is never good to expect more than you can achieve.