Frequent yawning first eliminates the influence of sleep quality of the elderly. If you don't have a good rest, you will yawn if you don't get enough sleep. Followed by insufficient blood supply to the brain, combined with the history of cerebrovascular intervention and cerebrovascular malformation. The recovery after intervention is unknown. Considering the poor microcirculation, regional cerebral ischemia can also cause fatigue and yawning.

Need to do the examination: review the head CT, enhance it if necessary, or add diffusion during the MRI plain scan of the head. Transcranial Doppler (TCD) to see the blood supply of cerebral vessels and color Doppler ultrasound of cervical vessels.

If you have a stroke, there will be signs of stiffness such as limited physical activity, obvious muscle tension, numbness and convulsions. There is no sign of a stroke so far.