Sighs occur spontaneously and help restore lung-volume variability. A 2023 trial studied five minutes of daily cyclic sighing and reported mood and respiratory-rate benefits; it did not prove that one sigh treats stress in under a minute.
A nasal inhale, smaller top-up inhale, and long relaxed exhale based on a normal spontaneous sigh pattern.
Sighs occur spontaneously and help restore lung-volume variability. A 2023 trial studied five minutes of daily cyclic sighing and reported mood and respiratory-rate benefits; it did not prove that one sigh treats stress in under a minute.
See also