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.
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.
boring
Mandrill Is was created in 1971.
Actually that is a lie. Yawns are contagious.
a mandrill zee zoo
If you mean a Mandrill; like any other monkey or ape.
Mandrill - band - was created in 1968.
An adult male mandrill is about 100 pounds
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.
No.