“Essentially, it helps to enhance alertness.” In this way, yawning mostly occurs when we’re feeling tired or sleepy in a bid to keep us awake. But yawning’s ability to increase oxygen ...

Suddenly, you yawn too, almost like a reflex. But why? Is yawning just your body’s way of saying you’re tired, or is there more going on? In this article, we’ll explore the science behind ...

You know the feeling. It’s getting close to bedtime, you get sleepy, and you start yawning automatically. You may even find ...

Sleepiness is often written off as a byproduct of today’s ever-on society, but it can have serious health consequences, experts say.

I thought he was sleepy or bored, but he may have unconsciously tried to brace himself up in front of his son. When I visit my father the next time, I will allow myself to catch a yawn from him.