Can yawning be triggered by certain sounds or visual cues?

Sep 18, 2022 ... Yawning is a natural bodily reaction to fatigue or stress. An underlying medical issue can also be indicated by excessive yawning. Jul 8, 2020 ... Because the act of yawn itself consists of a prominent respi- ratory pattern, the earliest reason proposed behind it was hypoxia. It has been ... May 21, 2018 ... RATIONALE: It has been suggested that sleep apnea may have an adaptive benefit, the reduction of nocturnal respiratory heat loss. There. Jul 12, 2022 ... State change isn't the only known cause, though. Research indicates we also yawn to promote alertness, or cortical arousal, and sometimes we do ... 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. Jan 27, 2025 ... Yawning can sometimes act as a self-soothing mechanism for dogs, says Qiai Chong, pet behaviorist and co-founder of Pet Coach Singapore. Aug 17, 2017 ... ... as 200 yawns per day! Less innocently however than heat or medication induced yawns are yawns as a clinical symptom. The main reason we yawn ... Physiological yawning can occur during the transition between wakefulness and sleep or vice versa, or in response to fatigue, tiredness, stress, overwork, lack ... One school of thought is that yawning occurs when CO2 levels in the blood are high, and Oxygen levels are low. The yawn acts as a boost to the O2 levels. The ... Jan 16, 2015 ... Yawning is an involuntary action that causes us to open our mouths wide and breathe in deeply. We know it's involuntary because we do it even before we're born.