When 36-year-old Hayley Black from the UK woke up one morning to feed her newborn, she never imagined a simple reflex would turn into a nightmare. Mimicking her baby Amelia’s yawn, Hayley stretched, ...

Italian scientists who documented humans interacting in everyday situations have found that women are more susceptible to catching the urge to yawn from others than men are. The findings, published in ...

Is it true that we yawn when our brains are deprived of oxygen? Most of us can feel a yawn coming on. The muscles in our jaw begin to tighten, our nostrils might flare, and our eyes might tear up as ...

A woman claimed that she almost died after she yawned too hard one morning. She said that she saw her newborn daughter yawn and went to do the same, but felt an “electric shock sensation” go through ...

Humans’ first experience with yawning happens in utero, says Matthew D. Epstein, M.D., associate medical director of the Atlantic Health Sleep Centers in New Jersey. Yet, Earth-side, the ...

Open your mouth wide, stretch the muscles of your jaw and upper body, take a slow breath in, and then exhale quickly. What have you done? You have yawned. Many animals, including humans, yawn. They do ...

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 ...