I smell a troll.
1 yawn means you are tired. 2 yawns means you need a nap. 3 yawns means you need to go to sleep.
boring
Mandrill Is was created in 1971.
Actually that is a lie. Yawns are contagious.
If you mean a Mandrill; like any other monkey or ape.
a mandrill zee zoo
Mandrill - band - was created in 1968.
Mandrill - comics - was created in 1973.
The mandrill is not cold-blooded. The mandrill is a mammal, and is thus warm blooded. Cold blooded animals tend to be reptiles.
yes, yawns are contagious and you can go to science.howstuffworks.com/life/contagious-yawn.htm
No.
I don't know about "drowsy" but I have heard that if someone near you yawns, you yawn too. Like yawns are contagious. Yawns don't mean that you're tired. It also means that you're not getting enough oxygen, but that has not been scientifically tested.