Is yawning related to respiratory rate? Can yawning be a symptom of an autoimmune disease?

Jun 18, 2018 ... REASON BEHIND YAWNING: You do not always yawn when you are tired. You may run 10 miles and be dead tired but may not yawn. Little supply of ... So actually the reason that one yawns when tired or bored is the body's attempt to keep you alert and awake — if only for a brief time. I suppose this is an ... Jun 6, 2023 ... Yawning may have social implications from our early evolution. So to summarize, there are more than one cause of yawning. The purpose of yawning ... Sep 28, 2011 ... People yawn for two main reasons: They do it ... Seeing, hearing, reading, or thinking about yawning can cause you to do the same. Aug 16, 2024 ... ... causes of yawning that may apply to exercise. First, an important note: Yawning during a workout is what's called spontaneous yawning, says ... Feb 1, 2024 ... It is normal for healthy people to yawn several times throughout the day, but yawning more than 30 times a day is generally considered excessive. Sep 7, 2015 ... Yawning was related to a lemur's anxiety levels. For example, both species yawned more frequently shortly after being threatened by a predator. Feb 25, 2022 ... Drowsiness and lack of stimulation can often cause a yawn to slip out. But some people think that yawning actually helps wake us up when we're ... This blockage causes ear pain and sometimes trouble hearing. ... When you're in an airplane, you can chew gum, yawn, or drink liquids during takeoff and landing. May 29, 2014 ... There are several theories about the cause of yawning. One of them has begun to gain more advocates. This theory is that we yawn to ...