Tekst ispod sam našao na Wikipediji, da li neko od Vas čitateljki i čitatelja bloga ima još logičnije objašnjenje ? The yawn reflex is often described as contagious: if one person yawns, this will cause another person to “sympathetically” yawn.[3][8] Observing another person’s yawning face (especially his/her eyes), or even reading about or thinking about [...]