Breathing Atlas · 4 pages
Science & physiology
How slow breathing affects the body, what is supported, and what remains uncertain.
How slow breathing worksSlow breathing at around six breaths a minute can shift the body toward calm by engaging the vagus nerve and the parasympathetic response. Here is what that means.Breathing and sleepA 2025 review found breathing exercises can improve sleep quality by calming the nervous system. What is well supported, what is not, and how to use it - without the hype.HRV and breathingHeart-rate variability rises and falls with the breath, and slow breathing near six breaths a minute tends to increase it. Here is what HRV is and what it means.Why longer exhales calmLengthening the exhale relative to the inhale is linked with greater parasympathetic activity and a slower heart rate. Here is the plain-language explanation.
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