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.
1 yawn means you are tired. 2 yawns means you need a nap. 3 yawns means you need to go to sleep.
Yawns can be classified into several types, including physiological yawns, which help increase oxygen intake and regulate brain temperature; contagious yawns, triggered by seeing or hearing someone else yawn; and social yawns, which may occur in response to social cues or empathy. Additionally, there are reflexive yawns that can occur due to boredom or fatigue. Each type serves different functions, ranging from biological needs to social bonding.
I believe you are referring to the story of Rip Van Winkle.
"He Who Yawns" was the actual name of Geronimo (Goyahkla), leader of the Apache band in Arizona.
Actually that is a lie. Yawns are contagious.
over a million people in the whole wirde world
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.
Yawns can be classified into several types, including physiological yawns, which help increase oxygen intake and regulate brain temperature; contagious yawns, triggered by seeing or hearing someone else yawn; and social yawns, which may occur in response to social cues or empathy. Additionally, there are reflexive yawns that can occur due to boredom or fatigue. Each type serves different functions, ranging from biological needs to social bonding.
When a hippo yawns, it signals that he is about to charge or fight. Definitely run.
I believe you are referring to the story of Rip Van Winkle.
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"He Who Yawns" was the actual name of Geronimo (Goyahkla), leader of the Apache band in Arizona.
if someone yawns you say 'I agree'
I smell a troll.