Bournemouth University neuropsychologist Simon Thompson is an expert on yawning. In 2011, he posited that high levels of the stress hormone cortisol may be a direct cause of yawning. “We believe that ...

Our seven-part guide has helpful hints to achieve better sleep. Find yourself yawning a lot? Do you need that third or fourth cup of coffee to make it through the afternoon at work? Such signs of ...

Find yourself nodding off at meetings? Need a lot of caffeine to get through the day? What about yawning a lot? These signs of sleepiness may be a red flag, according to researchers, and could ...

TSU--Dolphins yawn, even in the wild seas, a study showed. A group of researchers with Mie University here analyzed 1,816 hours of video recordings and spotted free-ranging Indo-Pacific bottlenose ...