2006-12-13 09:40:39 · 5 answers · asked by Anonymous in Social Science ➔ Psychology
Its part of our human genome. It signals a desire for change amongst a group. The yawn is not due to being tired, its from the boredom.
2006-12-13 09:48:50 · answer #1 · answered by ? 3 · 0⤊ 1⤋
I don't know, but I just yawned from reading that question (not cos its boring)
2006-12-13 17:44:04 · answer #2 · answered by me 3 · 0⤊ 0⤋
its just the same we smile when we hear someone laugh its a genetic trigger and just talking about yawning can have the same effect
2006-12-13 17:51:02 · answer #3 · answered by Terence K 2 · 0⤊ 0⤋
i dno but it's wierd tho.. even when i see a person yawn on t.v i would sometimes yawn too
2006-12-13 17:48:11 · answer #4 · answered by crztna 2 · 0⤊ 0⤋
Nobody knows for certain. One theory is that in the early days of mankind it was a way for groups of nomadic people to synchronize their sleep. I guess it was advantageous for the group to all sleep at the same time.
2006-12-13 18:03:36 · answer #5 · answered by senlin 7 · 0⤊ 1⤋