Coherent Breathing Timer

Heart Rate Variability Optimization

Coherent breathing at 5 seconds in, 5 seconds out (6 breaths per minute) optimizes heart rate variability and activates the parasympathetic nervous system. This scientifically-proven rhythm enhances emotional regulation, reduces stress, and improves focus.

Breathing Rhythm

5 sec in • 5 sec out

6 breaths per minute

Session duration (minutes):

Inhale duration (seconds):

Exhale duration (seconds):

Enable breathing guidance sounds

Ready to Begin

Press Start

Session: 10:00

0 breaths completed

💚 Coherent breathing session complete! Your heart rate variability has been optimized.