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Thanks!

My watch said my personal range is 16 ms. I have been resting and now it is 62 ms 😮

the CO2 tolerance increasing idea is totally OK but at 5:30 you are mistaken big time, dear sir - this ("deeeeep breath") is NOT how you measure BOLT score (see some Patrick McKeown´s videos on breath biochemistry and get it straight).

So once I can no longer blow air out my nose I must stop the watch, or can I continue to hold my breath if it is comfortable?

Will this help with trekking at high elevations where we can get altitude sickness ? Thanks

which band do you recommend?

Love this!!! Thank you

Can you recommend a good gadget with accurate for HVR?

It's "autonomic"…

where are you from (your accent) that you play (coach) ice hockey? :-)

Do I exhale first all the way out and then measure? (on the 4th try) or measure from the point I start exhaling?

Been watching my HRV for many years. Any correlation between Omega3 and HRV? I ask because I have noticed that any time I eat raw salmon (Sashimi) I see a neat spike in the HRV 20 to 40 points?

I started to really panic when seeing my HRV on my Apple Watch and reading that it means your health is bad if it’s not above 50. I’m seeing a lot of the comments say they are below 50 too so that makes me feel less nervous.

Really interesting comments regarding AMer vs PMer performance morning vs afternoon. It's not surprising at all that sprint speed is faster in the afternoon, and that is absolutely an effect driven by the biological clock (circadian system). I don't disagree with this at all (based on similar studies and observations) however, the time of those morning and afternoon training sessions is key. We know that athlete peak performance generally occurs in the afternoon; from ~midday for early chronotypes (AMers), ~6pm for intermediate types, and ~9pm for late types. It would be really interesting to know the number of players that showed disrupted performances in the morning. Those that showed lower performance in the morning are probably not PMers, but a mix of early, intermediate and late types. They should Chronotype all the players and plan the training accordingly.

As far as I know, this was popularised by Patrick Mckeown of Oxygen Advantage. He's written numerous books on the subject. The test is called the BOLT. Wim Hoff uses a different method.

As a dad it can feel like trying to juggle the different levels of disappointment in work and at home

Really great video Lee! Thanks for your passion and insight, such an important area you’re working in!

I have an average of 34 and my recovery in sleep is about 65% but my sleep score is 100% meaning I sleep 8-9 hours a night but never feel rested. Could this be Apnea???

Awesome! Thank you ☺️💪🏼

Great and clear overview of the benefits of CO2 tolerance training. The video is perfect. Thanks for sharing and getting this information out there in such a digestible manner

Nice advice 👍

The atomic nervous system 😂

Thanks for the clear tips. Definitely gotta get my sheep schedule more consistent. Crazy that alcohol takes a big hit but a few days.

Scientific link pleaseee

How accurate is Fitbit?

I track on my bpm on my smart watch.. during the day it sits between 75 - 90.. is this allgood?

bullshit this is!

A suggestion. I do it on my podcast. Put on the description the key time moments so anyone can skip to that part. I have seen the video multiple times so all the intro is kind of pointless now. I put the start in abother comment, but ypu can do it right in the description and the youtube video gets separated in chapters. Very cool

3:13 is the start of the breathwork

You can easily find an online stopwatch to do this test in front of your computer.

Subscribed and liked

I'm training for cardio and for cardio at singing. So what i do is i do the entire set of songs, not at full voice, but enough so i get the breathing need. I try to maintain zone 2-3. So kind of between 120-140 for my age (40). This is basically what you put here but in an efficient manner to what i want to do. That's my reasoning anyway. And i do this breathing workout for singers thst has those box breathings you say. There is also this girl that has breath hold videos, but long ones to train for scuba diving. Pretty cool. Thanks for the video. Ahh and the cool thing is that all this came because i have a metal band and i scream intensely a lot. So i want to be able to do it for the whole show, like a pro. And i stsrted investigating and i discovered that beyonce and miley cirus have a trainer that makes them run, in heels, singing at full voice, their whole set. Sounds insane, but i saw a beyonce video that shows that she never gets winded.

I did 90 secs, the second try. No effort, just ran out of air. The thing that did happen is after like tye 1 min mark i got an intense swallowing need and my brewth started to get loose so i had to put more effort into sustain8ng the slow breathing out. Now, the first time i lasted 56 secs, but then i realized i could go slower. Cool test. I'll keep on working this out. A qiestion. Are ypu familiar with powerlung? Or those simila4 ones? It's a product that aupposedly increases lung strenght by putting resistance to your breathing.

I swear eating one meal a day is the healthiest diet. Never felt better.

My HRV is between 8 and 11. No breathing or humming etc changes this

Great advise thanks.

Thank you 🙏

I could literally only get 10 seconds on the exhale and I feel like I have zero control over it. Like my exhale just instantly releases and I have no control to slow it down. I am an active runner and hiker but endlessly struggle with anxiety, should I be concerned by my numbers?

Any suggestions or even just a list of straps and apps?

“Atomic“ nervous system? Are you sure about that? Are you sure you didn’t possibly mess up and intend to talk about the autonomic nervous system?

can t you just train you tolerance with the tolerance test? And you slowly build up your time?

Nice content brother 🔥

Nice info. Is *autonomic nervous system not atomic

I stumbled on this video. I am not a high performance athlete in a traditional sense but I do enjoy mountain biking and swimming. In the past 8 months I got into Freediving and it has consumed my life. I have been doing a lot of breath work when I am not in the water with the aim to hold my breath longer. In this period I have done less biking and swimming and sometimes feel guilty that I’m not frequently doing sports that drive my heart rate up. However, the odd time that I do bike or swim, I was absolutely surprised how much easier it was to push hard up hills, and swim faster without feeling like I was breathing heavy. With my group of friends I was suddenly leading the pack up the hill as opposed to being at the back panting. I was really stunned by this and I am happy I found this video because I think it sheds some light on what is happening.

Mine goes from 12 to low 20s does caffeine and medications contribute to this? Also I have insomnia which I think is the main contributor

I don't listen too much on Huberman, but he explained HRV well. When you inhale your heart beats faster, on exhale slower. The difference is HRV. It's not like your heart beats on random.

Hey!! I have started nasal breathing while running and I am really enjoying it. I can breathe through my nose and manage my pace but my nose can feel like it burns and I can get a headache after doing it for a while. I also get a lot of mucus which makes it hard to breath through my nose as Im having to blow it while I'm running. Can you give me some advice on this? Thank you so much!! I love your content :)

I get good sleep but I can’t get HRV over 24 - I am 46, active, normal BMI, I work at a stressful job but ever since covid this HRV is stuck. Anyone see this after covid 19?

Monitoring HRV and understanding what your numbers really mean is so important for monitoring overall health and wellness. I find apps like StressFace make it easier to keep in shape and maximize my workouts. I love this app, and it has given me such great insight into my heart health overall.

Fascinating and helpful. Thank you.