Have you ever realized how easily influenced we can be to yawn? Have you ever asked yourself why we yawn in the first place? Did you know that by just reading the word "yawn" you can trigger the need ...

Lions find yawning contagious in a similar way to humans, a team of researchers has found. The phenomenon may be a way of helping the big cats to stay vigilant, scientists believe. The team, from the ...

Bijsterbosch gives readers a chance to find out whether yawning is truly contagious as she presents bright cartoon images of 10 animals (and one young human) who are all exhibiting signs of sleepiness ...