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  • 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
  • Yawn - Wikipedia
    Domestic dogs have shown the ability to yawn contagiously in response to human yawns Domestic dogs have demonstrated they are skilled at reading human communication behaviours
  • Excessive Yawning: Symptoms, Causes, and Treatment
    Excessive yawning might be due to sleep disorders, medication side effects, or a health condition Your provider may order an EEG, MRI, or overnight sleep test to determine the cause of unexplained yawning and sleepiness
  • Yawning Definition Causes - Cleveland Clinic
    A fetus starts yawning in the uterus about 12 weeks after conception A fetus yawns around 25 times per day, and the frequency of yawning tends to decrease with age Yawning isn’t unique to humans You’ve probably seen your cat or dog yawn Many other animals yawn too, including birds and fish
  • Why Do We Yawn? A Biologist Explains (Hint: Most People Get It . . . - Forbes
    In a 2007 study from Evolutionary Psychology, researchers Andrew Gallup and Gordon Gallup Jr proposed a genuinely different framework: yawning is a brain-cooling mechanism
  • Why Yawns Are Contagious (And How To Stop One) | IFLScience
    Why are we more likely to catch yawns from people we know? AG: The most notable interpretation is that contagious yawning may be linked with empathy
  • Why Do We Yawn? Science Explains
    You can fake a yawn (and even fool others into contagious yawning), but natural yawns are an involuntary reflex A yawn starts with opening your mouth (oscitation) The tensor tympani muscle in the middle ear contracts, producing the rolling sound within the head
  • Yawning: Causes and reasons for contagious yawning
    Everybody yawns, but why? Discover the possible reasons for yawning, why it seems to be so contagious, and if it can ever pose a risk to health
  • Why Do We Yawn? | Sleep Foundation
    The average person yawns up to 28 times per day, usually after waking up and before going to bed Yawning in the absence of tiredness, boredom, contagion, or other typical cues is also considered abnormal and may indicate an underlying disorder
  • You dont say? The yarn on yawning - Harvard Health
    Each of us yawns, on average, about five to 20 times a day, with each yawn lasting about five seconds But why exactly do we yawn? It turns out no one knows for sure Yawning is associated with sleepiness, but scientists haven’t found that it indicates a need for sleep





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