Because your brain needs more oxygen to keep you feeling awake, so it attempts to take in more at a time by yawning.
My husband yawn's. scratches and sighs in his sleep!!
how do you know you yawn if you are sleeping?
You do not yawn when you are relaxed because scientists have proven that when you yawn, you either need sleep or it is because you are tired.
A yawn is normally a response to a change in activity, although if you did not get enough sleep, you could become tired and yawn.
When you yawn it doesn't mean your sleepy. Even scientists don't know why you yawn.
There is no TM yawn. Only certain Pokemon can learn yawn/hypnosis/sleep powder/etc.
Yawn
No she cant learn yawn.... howerver! She can learn TM44 Rest and TM82 Sleep Talk.
Dark hole, hypnosis, yawn, sleep powder.
You could have asthma, sleep apnea, or anxiety--just to name a few. You should see a doctor who can diagnose your condition and help you feel better.
get more/better sleep to suppress a yawn, when you feel it coming, take a few deep breaths through your nose.
yawn