They yawn for the same reason that you do, too much carbon dioxide in the body. Yawning is the body's was of releasing the excess gases.
Yes, you can yawn while sleeping, I've seen it done many times.
how do you know you yawn if you are sleeping?
You don't yawn when you are sleeping because your body is shut down and is regaining the energy you have burned throughout the day. When you yawn it is because you arent active which obviously your mind isn't when you are sleeping!
when you yawn you get rid of carbon dioxide and breathe in oxygen.
while sleepy CO2 accumulation increase and to get rid of it we yawn.
tired,bored,even when they are still sleeping and are waking up.
Plush toys are safe for a toddler to play with. They may not be safe for the child to sleep with because the child may be able to suffocate them while sleeping.
yawns are contagious becuase when we see another person yawn our brain sees it as that person is gasping for air and they dont have enough oxygen so as a defense mechenisme we will yawn also.
You can't because Snorlax cannot learn any other moves that will put its opponents to sleep other than Yawn.
One can ensure that a toddler does not roll off the bed by putting the mattress on the floor, getting a toddler bed, adding guardrails on the side of the bed, moving the bed next to the wall, and practicing sleeping.
Since yawning is a reflex, it does not require consciousness.
The duration of While You Were Sleeping is 1.72 hours.