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 sleepiness may be a red flag of a serious sleep deficit that could ...

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 ...

Yawning is usually brushed off as a sign of fatigue or lack of sleep. But for some, it could be the body’s quiet way of asking for help. Researchers have found that excessive yawning, especially when ...

Yawning, a universal reflex, is characterized by a deep inhalation and short exhalation. While often linked to tiredness, its ...

Confidential list of behaviors watched by TSA agents was recently leaked online. A TSA document lists exaggerated yawning as a suspicious traveler behavior. Getty Images — -- Excessive yawning, ...

A new list says "excessive yawning," "whistling" and "too much laughter" could get you into trouble with airport security agents. Those gestures, along with "disguises," "face pale from recent shaving ...