Stretching after waking feels so pleasant for the same reason it does for cats, but not everyone enjoys the benefits The stretching you do after waking isn’t really stretching. It is a process ...

Given that we’ve literally grown up with them, we often know surprisingly little about how our bodies work. This new series aims to fill the gaps All vertebrates yawn, or indulge in a behaviour that’s ...

We do it when we're tired, when we're bored or when we're hungry; parachutists have been seen to do it before a jump, and research has even suggested a link between yawning and sexual arousal. But the ...

Do you know someone who spends a long time yawning? He may not be lazy he may just have a big, neuron-rich brain. A new study published this week in Biology Letters found the amount of time it takes ...