Is excessive yawning a concern?

KDAH

Yawning is a natural reaction to tiredness or stress but when you start to yawn a lot and you can't stop, you might begin to worry. Excessive yawning may be caused by an underlying condition like sleep deprivation, Insomnia, Sleep apnea, Narcolepsy, a condition that makes you excessively sleepy during the day. It could also be a symptom of a heart attack. If you feel you have been yawning excessively, it is advisable to consult a doctor to find out the underlying cause.