Excessive yawning complications include: Bleeding—You might experience bleeding around your heart. Sleep disorders—Sleep apnea or insomnia might be a hidden precursor of constant yawning. Heart attack—Heart attacks can occur with severe yawning.

To fake a yawn, they are probably showing their boredom with a subject and a desire to be elsewhere, but they might be trying to coax the other person into having to yawn, to get them to shut up for a few seconds.

Yawning is also pandiculation. The process happens in three stages: contraction, release and then lengthening of the muscles to their natural resting length. It is the release of tension, the sensation of the muscles softening, that feels so good.

Excessive yawning may mean that you are tired, drowsy, or fatigued. However, it can also be a sign of a medical condition, such as sleep apnea, narcolepsy, or a reaction to a medication. If you find you are yawning excessively, it may be best to schedule an appointment with a doctor to determine the cause.