Stop trying not to yawn!

Ever notice that you yawn after seeing someone else do it, even if you’re not tired? Don’t try to fight it—you’ll actually be more likely to yawn longer! Researchers from the U.K.’S University of Nottingham discovered that yawning is triggered by a “monkey see, monkey do” reflex in your motor cortex (a brain region that makes you move) — and that this reflex is actually stronger when you try to resist it!