Foreign media: Prolonging or intensifying inhalation can increase heart rate and alertness, while prolonging or intensifying exhalation can decrease heart rate and help calm down.
Quick deep breathing stimulates the secretion of adrenaline, making people excited, and then holding your breath for about 15 seconds trains the brain to stay calm when the body is highly activated. This is essentially a "top-down control training."
Trauma, anxiety, and fear are essentially related to the stress response, and sleep is the fundamental way to improve fatigue, but it is a slow tool that cannot take effect in real time.
Original article: toutiao.com/article/1858700220920007/
Statement: The article represents the views of the author himself.