Yawning helps cool the brain! ❄️
🔹 It might also be contagious to synchronize group alertness! 😲
🔹 Next time you yawn, remember—your brain is just keeping itself sharp!
Watch video Why Do We Yawn? The Science Behind This Contagious Habit! online, duration hours minute second in high quality that is uploaded to the channel Unreal Facts 14 May 2025. Share the link to the video on social media so that your subscribers and friends will also watch this video. This video clip has been viewed 4,951 times and liked it 20 visitors.