安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Yawn - Wikipedia
Yawning (oscitation) most often occurs in adults immediately before and after sleep, during tedious activities and as a result of its contagious quality [8] It is commonly associated with tiredness, stress, sleepiness, boredom, or even hunger
- Why Do We Yawn? - WebMD
Yawning is a common reflex in which you open your jaw wide, take a deep breath, and then quickly breathe out It lasts about 4-7 seconds and often happens when you're waking up or falling asleep
- Yawning Definition Causes - Cleveland Clinic
When you yawn, several muscles in your face tense and stretch Sometimes, this can pull on and stimulate your lacrimal glands, which leads to tears and watery eyes
- YAWN Definition Meaning - Merriam-Webster
The meaning of YAWN is to open wide : gape How to use yawn in a sentence
- Yawning Does Something Unexpected in Your Brain, MRI Scans Reveal
Yawning has an unusual and unexpected effect on the flow of fluid protecting the brain, a recent study reveals, though it's not yet clear what the impact of this shift might be
- Yawning: Causes and reasons for contagious yawning
A yawn is an involuntary reflex that involves opening the mouth wide and taking in a deep breath, followed by a slow exhale
- Why Do We Yawn? Science Explains
Science explains the reasons why we yawn, whether animals yawn too, and how contagious yawning works Also, sometimes it signals illness
- Why Do We Yawn? A Biologist Explains (Hint: Most People Get It Wrong)
It’s ancient, unstoppable and strangely contagious Here’s what science now knows about the humble yawn, and why evolution never got rid of it
|
|
|