strider16

Most of the time, I make normal airy-sounding yawns. Occasionaly I sometimes make this burping-like sound while yawning that I can't or never could explain. My sister makes the same sound when she yawns. My mom and dad don't make the sound at all when they yawn (normal). My classmates don't even make this sound. When I'm in class and I make this sound, my friends laugh and try to imitate what I do. I think this is not normal, and I need an explanation.