Dr. Leah Lagos and Joe Mazzulla: Control Your Heart, Conquer Your Stress
Dr. Leah Lagos, a health and performance psychologist, and Boston Celtics Head Coach Joe Mazzulla discuss Heart Rate Variability (HRV) and its role in managing stress and enhancing performance. They explore how HRV training, particularly resonant frequency breathing, helps individuals gain physiological control, improve decision-making, and foster emotional integration.
Deep Dive Analysis
11 Topic Outline
Understanding Heart Rate Variability (HRV) and Its Significance
Factors Influencing HRV: Sleep, Alcohol, and Caffeine
The 10-Week Resonant Frequency Breathing Protocol
Practical At-Home HRV Training and Amplifiers
Joe Mazzulla's Experience: HRV Training for NBA Coaching
The Role of Physiology in Decision-Making and Cognitive Dexterity
Leveraging Rituals and Breathing for In-Moment Centering
Transforming Self-Narrative and Cultivating Self-Compassion
Strategies for Managing Stress and Building Malleability
Healing Trauma and Emotional Integration Through HRV Training
Personal Definitions of Success and Consistent Improvement
6 Key Concepts
Heart Rate Variability (HRV)
HRV is a biomarker of resilience, measuring the time intervals between heartbeats. A larger HRV indicates greater control over the autonomic response to stress, allowing individuals to operate at their peak consistently before, during, and after stressors.
Resonant Sinus Arrhythmia
This is a clinical parameter used to assess HRV, observing how heart rate increases on inhale and decreases on exhale. The goal is to create 'big, ocean-like waves' in these oscillations, indicating a more resilient autonomic nervous system and greater physiological control.
Baroreflex
The baroreflex is a natural reflex in the autonomic nervous system that controls heart rate and blood pressure. Resonant frequency breathing strengthens this reflex, leading to an automated response where the parasympathetic nervous system helps moderate stress.
Sympathetic vs. Parasympathetic States
The sympathetic state is associated with 'fight or flight,' characterized by myopic thinking and survival mode. The parasympathetic state, associated with 'flow,' is being open, engaged, aware, receptive, and able to shift energy on demand, leading to cognitive dexterity.
Cognitive Dexterity
This refers to the ability to seamlessly look at different options and analyze what's best in critical situations. It is enhanced when the body is in a parasympathetic state, allowing for increased blood flow and oxygen to the brain, preventing the 'one-track minded' thinking of stress.
Emotional Integration
This is the process of being able to feel deeply and let go of experiences, including traumas, without fear or restriction. As individuals gain control over their physiology, they can integrate past experiences, harnessing them as energy and fuel rather than compartmentalizing them.
8 Questions Answered
There is no single magic number for HRV; it varies greatly by individual, body, system, and life experiences. Instead of a specific number, it's more important to understand your personal range, track nocturnal HRV, and work to decrease the disparity between your lowest and highest HRV days.
Alcohol has acute and chronic effects that vary per individual; chronic use generally lowers HRV. Caffeine, in moderate amounts (e.g., two cups of coffee), typically doesn't significantly impact HRV, but five or more cups can negatively affect same-day performance, and excessive use can chronically lower HRV.
As HRV increases, the body gains the ability to 'turn off' the racing mind that often prevents deep recovery and affects REM and deep sleep. This allows individuals to be 'on' when needed for performance but also 'off' for restorative rest.
Resonant frequency breathing is a specific rate of breathing (typically between 5 and 6.5 breaths per minute, unique to each individual) that maximizes heartbeat oscillations. It's crucial because it strengthens the baroreflex, leading to an automated physiological response that helps moderate stress and shift to a parasympathetic state.
You can use physiological feedback tools like Elite HRV's CoreSense or Oura Ring to find the breathing rate that produces the highest amplitude of heart rate oscillations. Alternatively, without feedback, the resonant frequency is often the rate that feels most effortless and comfortable when trying different paces (e.g., 5, 5.5, or 6 breaths per minute) using a breath pacer app.
Your physiological state significantly impacts decision-making. A highly sympathetic (fight-or-flight) state leads to myopic, one-track thinking, while a parasympathetic (flow) state enhances cognitive dexterity, allowing for broader context, creativity, and the seamless analysis of different options due to better blood flow to the brain.
Yes, by gaining physiological control over how the heart and brain respond to stress, individuals can inhibit negative self-talk, fear, and noise. This physiological equilibrium empowers them to choose their narrative, leading to a positive feedback loop that fosters self-compassion and deeper emotional connection.
HRV training provides the physiological control to 'sit with' and integrate past traumatic experiences rather than compartmentalizing them. This process allows for emotional release and integration, often leading to a 'heart clearing' around week four of training, which unlocks energy and transforms past hurts into fuel for growth.
64 Actionable Insights
1. Understand HRV
Learn about Heart Rate Variability (HRV) as a biomarker of resilience, as a higher HRV indicates greater control over your autonomic response to stress.
2. Commit to 10-Week Breathing Protocol
Engage in a 10-week protocol of resonant frequency breathing for 15 minutes, twice daily, to strengthen the baroreflex and create an automatic, moderating response to stress.
3. Find Your Resonant Breathing Rate
Identify your personal resonant frequency breathing rate (typically 5-6.5 breaths per minute) that maximizes heart rate oscillations, using tools like Elite HRV or CoreSense, or by finding the rate that feels most effortless.
4. Schedule Daily Breathing Sessions
Practice resonant frequency breathing for 15 minutes upon waking and 15 minutes before bedtime to enhance deep, restorative sleep and address sleep issues.
5. Train Physiology for Mind Control
Begin by training your physiology, specifically heart rate variability and heart oscillations, as this is the foundational step to gaining control over your mind and self-talk.
6. Address Unhealed Trauma
Recognize that unhealed past traumas can shape your self-narrative and hinder personal growth; dedicate time and space to process and heal these experiences.
7. Integrate Life Experiences
Understand that all life experiences, positive and traumatic, shape you; learn to sit with them, feel deeply, and let go when needed, integrating them as energy and fuel rather than compartmentalizing them.
8. Optimize Physiology for Decisions
Prioritize optimizing your physiological state before and during decision-making, as a parasympathetic state enhances cognitive dexterity, allowing you to see multiple options rather than being myopic.
9. Cultivate Parasympathetic Flow State
Learn to shift into a parasympathetic state, which is characterized by being open, engaged, aware, and receptive to the moment, rather than just calm, allowing for optimal response to situations.
10. Track Your HRV Range
Use tracking devices like Oura Ring or Elite HRV to understand your personal HRV range, noting nocturnal HRV and the differences between your highest and lowest days to identify influencing factors.
11. Reduce HRV Variability
Aim to decrease the disparity in HRV readings between nights, striving for more consistent, higher HRV levels to improve the body’s ability to process the world and perform at its peak.
12. Connect to Heart-Moving Experiences
Identify three personal experiences that evoke deep feelings of inspiration, gratitude, or love, and during your inhale, connect to that feeling, then on the exhale, release the rest of the world, training your heart to activate these states on demand.
13. Visualize Loving Moments During Breathing
During 15-minute breathing sessions, visualize and deeply feel your best moments with loved ones, embracing these emotions and then learning to let them go and bring them back, fostering emotional healing and openness.
14. Shift Physiological State Instantly
Develop the ability to rapidly shift your physiological state from sympathetic (fight or flight) to parasympathetic (flow) in just a few breaths during stressful moments.
15. Use Breathing Before Key Decisions
Implement 3-5 breaths of resonant frequency breathing immediately before critical decision-making moments (e.g., timeouts) to center yourself and make optimal choices.
16. Master Energy Fluctuation
Understand that peak performance isn’t about maintaining a single state, but rather about skillfully fluctuating your energy and manipulating the environment and momentum to create positive effects.
17. Prioritize Restorative Sleep
Recognize that high HRV correlates with better sleep, while low HRV is linked to sleep issues; prioritize restorative sleep to positively impact your HRV and overall resilience.
18. Practice Consistent Meal Timing
Eat at consistent, timed intervals (e.g., 7 AM, 1 PM, 6 PM) five days a week, as this predictability creates a sense of safety in the body, which is a precursor to a flow state and maximizes HRV.
19. Monitor Alcohol Intake
Understand your body’s specific response to alcohol by observing its impact on your HRV; if two glasses significantly lower it, consider avoiding alcohol during the week, competition, or training decision-making periods.
20. Limit Caffeine Intake
Keep caffeine consumption to two cups or less, as five or more cups of coffee can negatively impact daily performance and heart rate variability.
21. Create a Flow State Music Playlist
Develop a personalized playlist of 5-8 songs that consistently keep you in a flow state and promote a parasympathetic state, using it an hour before high-stakes events to optimize your body and mind.
22. Expect and Accept Stress
Acknowledge that stress is inevitable, which helps in managing its impact rather than being caught off guard.
23. Control Stress Duration
Aim to control the duration of stress responses, returning to a physiological baseline as quickly as possible to maintain performance and well-being.
24. Cultivate Malleability for Stress
Develop a malleable body, mind, and heart to adapt to varying forms of stress, understanding that stress is inevitable but its manifestation differs, allowing you to handle opportunities effectively.
25. Develop Somatic Awareness
Train yourself to identify whether you are in a fight-or-flight (sympathetic) or flow (parasympathetic) state, as making important decisions or competing from a parasympathetic state is crucial for optimal outcomes.
26. Control Self-Talk via Physiology
Gain physiological control over your heart and brain responses to inhibit negative self-talk, noise, and fear, thereby gaining control over your internal narrative and fostering positive self-talk.
27. Implement Post-Game Recovery Routine
After intense events, follow a recovery routine including a hot shower, stretching, a 15-minute breathing session, and a diet of easily digestible foods like steamed vegetables to aid body recovery and sleep.
28. Use Breath Pacer Apps
Utilize breath pacer apps like Breathe Plus, Awesome Breathing, or Easy Air to guide your breathing at different rates and identify your most effortless, resonant frequency.
29. Track HRV Periodically
Avoid obsessive daily HRV tracking; instead, monitor it periodically (e.g., once a week or every few weeks), or specifically during weeks 1, 4, 7, and 10 of a training program, to observe baseline changes.
30. Utilize Quick Physiological Shifts
Employ immediate actions like 20 jumping jacks, listening to specific music, or finding a quiet, safe space to quickly shift your physiology and return to baseline in stressful moments.
31. Choose a Guiding Word
Select a guiding word for a specific period (e.g., a year or six months) and intentionally apply its meaning to every area of your life to drive continuous improvement.
32. Avoid Holding Breath Under Stress
Be aware of the tendency to hold your breath during stressful moments, as this tenses the body and hinders proper decision-making; instead, maintain proper breathing.
33. Execute Predetermined Acts
Plan and execute predetermined actions, even if they feel uncomfortable initially, to intentionally shift momentum and energy in critical situations, allowing others to feed off your controlled oscillation.
34. Return to Baseline After Action
After an intense, momentum-shifting action, consciously bring your heart rate down and oscillate back to baseline to maintain a technical, clear approach for subsequent decisions.
35. Anticipate Stressful Moments
By maintaining a physiological baseline and building body-mind awareness through breathing, you can anticipate stressful moments and prepare yourself to operate effectively.
36. Improve Risk Assessment
Through physiological control, develop a more precise and multi-strategic approach to risk assessment, allowing for calculated and intentional risk-taking without the typical sympathetic over-activation.
37. Heal Trauma for Self-Compassion
Understand that a lack of self-compassion may stem from unhealed past traumas; actively engage in processing these emotions to cultivate greater self-compassion.
38. Take Emotional Risks for Self-Expression
To access deeper emotional connections, practice taking emotional risks in life, fostering greater self-expression and authenticity.
39. Continuously Reinvent Yourself
Focus on consistent self-improvement, aiming to be a better person each year by constantly finding small areas in your life to reinvent and grow.
40. Strive for Daily Consistency
Define success by your daily consistency in pursuing personal and professional goals, striving to be a consistently improving person in all areas of life.
41. Engage in Endurance Sports
Participate in endurance sports (e.g., running) to increase and maximize your HRV, especially if you naturally have a large HRV.
42. Seek ADHD Alternatives
If using excessive caffeine (e.g., 12+ cups) to self-medicate for ADHD, explore alternative methods with an MD’s recommendation to avoid sacrificing HRV and autonomic flexibility.
43. Avoid Chronic Alcohol Use
Be aware that chronic alcohol consumption can lead to a sustained reduction in HRV, indicating distress on the body and reduced autonomic flexibility.
44. Avoid Late Night Eating
Observe how eating within three hours before bedtime affects your sleep quality and adjust your eating schedule accordingly to improve rest.
45. Identify Personal HRV Amplifiers
Pay attention to daily activities or interactions that naturally elevate your HRV, and incorporate more of these heart-moving experiences into your routine.
46. Use Breathing for Night Wake-ups
If you experience multiple wake-ups due to a racing mind, employ specific breathing techniques to help you return to sleep.
47. Turn Off Your Brain for Sleep
Develop the ability to quiet your mind before sleep, as a busy brain prevents deep recovery and negatively impacts REM and deep sleep cycles.
48. Cultivate Empathy and Connection
Through self-awareness and emotional work, develop increased empathy and the ability to connect with others by meeting them where they are.
49. Influence Environment with Breathing
Use breathing and self-awareness to actively influence the energy and momentum of your environment, such as in a game or meeting.
50. Re-Center During Stoppages
Utilize natural pauses or stoppages (like timeouts) to re-center, return to baseline, enhance cognitive dexterity and focus, review past transitions, and anticipate future ones for positive impact.
51. Position for Optimal Stress Response
Focus on positioning your physiology in the best possible state before encountering different kinds of stress, rather than rigidly planning for specific scenarios, to enhance your adaptive capacity.
52. Assess Trauma’s Impact
Build awareness of how past traumas are affecting you, discerning whether their impact is positive or negative, and then develop strategies to navigate these effects.
53. Build Self-Awareness to Lead
Develop a deep awareness of how your body, mind, and heart react to stress, enabling you to lead effectively and provide what your team needs in high-pressure situations.
54. Expect Cognitive Gains by Week 7
Understand that significant cognitive benefits like increased focus, creativity, authenticity, and dexterity typically manifest around week seven of consistent resonant frequency breathing practice.
55. Optimize Baseline in First 4 Weeks
Focus on consistent, regular resonant frequency breathing for the first four weeks to strengthen the baroreflex, leading to a faster ability to let go of stress and increased control over irritations.
56. Use HRV for Sleep Recovery
Utilize HRV tracking to objectively assess your body’s recovery from sleep, observing how different sleep durations (e.g., 5 vs. 8 hours) impact your resilience metric.
57. Find Your Optimal Sleep Rhythm
Maximize your sleep by tracking and identifying the specific amount of sleep (e.g., 7 or 9 hours) that best supports your body’s recovery and HRV.
58. Incorporate Abdominal Breathing
Ensure your breathing practice includes abdominal breathing, as this is a key component of the consistent, regular practice.
59. Trust Effortless Breathing Rate
If physiological feedback tools are unavailable, choose the breathing rate (from 5, 5.5, or 6 breaths per minute) that feels most effortless and natural, as this is often your resonant frequency.
60. Dance Along Emotional Spectrum
Embrace the ability to navigate and express a full range of emotions without restriction, empowering you to be deeply connected and responsive in every moment.
61. Pause Automatic Reactions
Gain physiological control to pause automatic reactions and consciously decide whether to engage with intensity or disengage, rather than instinctively responding.
62. Intervene Early in Oscillations
Become attuned to your internal state and recognize when physiological oscillations are occurring, allowing for earlier intervention through breathing or other tools.
63. Use Breathing as Re-Centering Ritual
Adopt resonant frequency breathing (e.g., 4-second inhale, 6-second exhale) as a personal ritual to re-center yourself in the present moment, letting go of past events and focusing on the task at hand.
64. Integrate Breathing On-Demand
Practice resonant frequency breathing (e.g., 4-second inhale, 6-second exhale) so consistently that you can deploy it on-demand whenever you feel yourself entering a suboptimal state.
7 Key Quotes
The larger your HRV, the more control you have over your autonomic response to stress before, during, and after a stressor.
Dr. Leah Lagos
It's not about being calm, okay? It's being open, engaged, aware, and able to be receptive to the needs of the moment.
Dr. Leah Lagos
Safety is a precursor to flow. Safety in the body, also that feeling of safety maximizes HRV.
Dr. Leah Lagos
It really opens up my mind to it's not about being one way. It's about how can you manipulate your environment? How can you manipulate the momentum? How can you, you know, fluctuate your energy in order to have a positive effect on, you know, the environment around you?
Joe Mazzulla
I got into it to become a better coach and it made me a better person.
Joe Mazzulla
We think of, you know, love as a soft emotion, not at all. This is about being able to be really connected and kind of dance along the emotional spectrum to empower you in each and every moment without restriction.
Dr. Leah Lagos
I think we're the story of all the traumatic good and bad experiences that we've had earlier in life that we just haven't dealt with yet.
Joe Mazzulla
4 Protocols
10-Week Resonant Frequency Breathing Protocol
Dr. Leah Lagos- Identify your unique resonant frequency, the rate of breathing (generally 5-6.5 breaths per minute) that maximizes heartbeat oscillations and feels most effortless, using physiological feedback tools or breath pacer apps.
- Commit to breathing for 15 minutes, twice a day, typically upon waking in the morning and 15 minutes before bedtime.
- Incorporate abdominal breathing into your practice.
- During weeks 1-4, focus on consistent, regular practice to optimize your baseline HRV and strengthen the baroreflex, noticing an increased ability to let go faster.
- Starting in week 5, integrate 'amplifiers' by connecting to heart-moving experiences (inspiration, gratitude, love) on the inhale and letting go of the rest of the world on the exhale. Select about three distinct experiences.
- Track your HRV daily during weeks 1, 4, 7, and 10 to monitor changes in your baseline and during breathing sessions, then put the tracking device away to avoid hyper-vigilance.
Joe Mazzulla's Pre-Game Routine for Optimal State
Joe Mazzulla- Listen to a curated playlist of 5-8 songs that keep him in a flow state and facilitate a parasympathetic state, avoiding music that induces sympathetic activation.
- Engage in resonant breathing to get the body and mind into the proper space for the game.
Joe Mazzulla's Post-Game Recovery Routine
Joe Mazzulla- Perform resonant breathing (4 seconds inhale, 6 seconds exhale) immediately after the game to begin shifting the body to a parasympathetic state.
- Take a hot shower to help bring the body back down.
- Go through a stretching routine.
- Consume a light, easily digestible meal, such as steamed vegetables, to avoid negative impacts on sleep.
In-Game Timeout Centering Protocol
Joe Mazzulla- As soon as a timeout is called, take 3 to 5 resonant breaths (e.g., 4 seconds inhale, 6 seconds exhale).
- Use this brief period to recenter, return to baseline, and open the mind for cognitive dexterity.
- Assess the specific needs of the team and the game's momentum to make the best tactical decision for the timeout.