Answers ( 3 )

  1. Yawning is a normal phenomenon by the body to fatigue and drowsiness.Excessive yawning may mean taking in excessive breath more often that is more times a minut
  2. Sorry taking in deep breath more than a few times a minute. It may also indicate sleep disorder,heart problem.if you thyroid problem then also you can feel fatigue and drowsy during waking hours and this may lead to excessive yawning.
  3. You should go for some test like thyroid,DO deep breathing exercise,Walking, try to have proper and sound sleep..what do you mean by knee bending? Please elaborate your query so that we can answer