Fatigue or...: It could be you are tired/fatigued or yawning tends to also occur when changing a level of awareness or arousal (higher or lower). For example, many athletes yawn before a game due to the change in activity.
Answered 12/10/2012
5.4k views
2 doctors weighed in across 2 answers
7 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
16 doctors weighed in across 3 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question