Breathing · Calm
Regulated breathing activates your parasympathetic nervous system — calming the stress response in under 5 minutes.
Box breathing regulates the autonomic nervous system, slows heart rate and reduces cortisol within minutes. Used by Navy SEALs and elite athletes under stress.
The extended exhale activates the parasympathetic system. Research in Frontiers in Psychology (2017) found diaphragmatic breathing significantly improved attention and reduced negative affect.
Stanford research (Balban et al., Cell Reports Medicine, 2023) showed cyclic sighing for just 5 minutes produced the largest reductions in anxiety compared to other breathing techniques and mindfulness meditation.