Probably by the way a persons eye's look and the facial expressions they pull. You eyes half close when you yawn and your face looks scared when you scream usually.
Actually that is a lie. Yawns are contagious.
yes. most people yawn when they see others do it. its psychological
1 yawn means you are tired. 2 yawns means you need a nap. 3 yawns means you need to go to sleep.
"He Who Yawns" was the actual name of Geronimo (Goyahkla), leader of the Apache band in Arizona.
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.
Actually that is a lie. Yawns are contagious.
No. There's no contagious element to yawns, but they do seem to be empathetically suggestive. Many people (chimpanzees and rhesus monkeys also) yawn when they see others yawn.
over a million people in the whole wirde world
yes. most people yawn when they see others do it. its psychological
No.
yes, yawns are contagious and you can go to science.howstuffworks.com/life/contagious-yawn.htm
1 yawn means you are tired. 2 yawns means you need a nap. 3 yawns means you need to go to sleep.
When a hippo yawns, it signals that he is about to charge or fight. Definitely run.
"He Who Yawns" was the actual name of Geronimo (Goyahkla), leader of the Apache band in Arizona.
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.
I believe you are referring to the story of Rip Van Winkle.
coz