[{"data":1,"prerenderedAt":519},["ShallowReactive",2],{"project-37538028":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":29,"sentiment":30,"stance_mix":31,"scored_comments":36,"aspects":37,"strip":47,"post_text":48,"what":49,"said":75,"maker_in_thread":153,"shape":166,"grid":170,"attempts":477,"same_week":482,"maker_shows":44,"maker_hidden":512,"reader_version":513,"card":514},"37538028","Every Breath You Take","Heart Rate Variability Training","title","Show HN: Every Breath You Take – Heart Rate Variability Training","https:\u002F\u002Fgithub.com\u002Fkbre93\u002Fevery-breath-you-take","github.com","kbre93",1694893695,2023,348,118,113,3109,4,"legend","learning_science","biofeedback training","desktop_app",[24,25,26,27,28],"heart rate variability","breathing training","polar h10","biofeedback","breathwork","curious",-0.003,{"positive":32,"neutral":33,"mixed":34,"critical":35},8,21,1,10,40,{"execution":38,"idea":41,"performance":43,"docs":45,"design":46},{"positive":39,"critical":40},0,5,{"positive":18,"critical":42},3,{"positive":39,"critical":44},2,{"positive":39,"critical":39},{"positive":39,"critical":39},[40,34,34,42,40,42,42,34,40,42,34,42,42,34,42,34,39,40,40,42,39,39,39,39,42,40,42,39,39,39,39,39,39,39,42,39,40,34,42,34],"Through controlled breathing it is possible to regulate your body's stress response. I've built an app to measure and train this effect with a Polar H10 Heart Rate monitor.\n\nWith every breath you take, you can set the pace of your breathing rate, measure your breathing control with the chest accelerometer, and see how heart rate variability responds.",{"problem":50,"audience":56,"pricing":56,"motivation":57,"time_to_build":56,"stack":66,"openness":73,"stage":74,"team_size":74},{"value":51,"source":52,"evidence":53},"Regulating stress response by measuring and training breathing control and HRV","maker",[54],{"id":55},"post",null,{"value":58,"source":52,"evidence":59},"Maker has used breathing control to manage stress and wanted to explore breathing detection for HRV training",[60,63],{"id":61,"by":11,"text":62},"37538745","Thanks, I've personally found benefits from being to learn to control my breathing in stressful situations. Right now it only works with the Polar H10, but it would be possible…",{"id":64,"by":11,"text":65},"37538944","I've it's quite common for fitness trackers to predict the onset of sickness from heart rate variability. I've found they don't offer much real-time feedback, and don't have…",[67],{"value":68,"source":52,"evidence":69},"Python",[70],{"id":71,"by":11,"text":72},"37553494","That article is referring to the internal memory that the Polar H10 has, which can be used to store some data. But you will eventually need to connect the device to retrieve that…","open_source","unknown",{"praise":76,"objections":89,"requests":108,"questions":124,"alternatives":132},[77],{"value":78,"source":79,"evidence":80},"Using accelerometer to estimate breathing rate is a novel approach","commenter",[81,85],{"id":82,"by":83,"text":84},"37538862","mohaba","wow. This is incredible for multiple reasons. I've seen apps that somehow read what looks like an ecg from the h10, so maybe there's further pretty pictures to be made. Not sure…",{"id":86,"by":87,"text":88},"37541181","ultrarunner","This is awesome. I love when people can find a signal in ostensibly disconnected data. This finally answers the nagging question I've had of how my watch can measure my rate of…",[90,101],{"value":91,"source":79,"evidence":92},"Installation fails on non-macOS systems",[93,97],{"id":94,"by":95,"text":96},"37541116","fud101","I have a H10 and i am a tech geek. Just trying this out now will update with my findings. failed at installing, Collecting pyobjc-core==9.2 Downloading pyobjc-core-9.2.tar.gz…",{"id":98,"by":99,"text":100},"37584210","stenmorten","This looks great, I really want to try it! When trying to run it on my Mac, it crashes with the error message \"Info.plist must contain an NSBluetoothAlwaysUsageDescription\". I've…",{"value":102,"source":79,"evidence":103},"README is hard to follow",[104],{"id":105,"by":106,"text":107},"37566022","stickperson","This looks super cool! I just tried it out and am having a hard time following the README. > The blue circle shows your breathing control What does this mean? What should I be…",[109],{"value":110,"source":79,"evidence":111},"Support for other chest strap heart rate monitors",[112,116,120],{"id":113,"by":114,"text":115},"37538607","adamgordonbell","This looks amazing. Have you seen benefits from HRV training? Would it work with other chest strap pulse meters?",{"id":117,"by":118,"text":119},"37539300","guzik","I'm curious, have you explored compatibility with other hardware as well, like the Polar H7 or even other types of physiological monitors? We've conducted a study comparing…",{"id":121,"by":122,"text":123},"37541839","HAL9OOO","This is really cool! I have a Wahoo Tickr sensor already, is it possible to use with that or is something missing in these other sensors that the Polar has? I'm going to try…",[125],{"value":126,"source":79,"evidence":127},"Whether raw ECG data can be accessed",[128],{"id":129,"by":130,"text":131},"37544632","lukko","This is really great! Thank you. I developed a breathing app (https:\u002F\u002Fwww.lungy.app) last year - we're actually doing a study at the moment looking at how heart rate variability…",[133,140,147],{"value":134,"source":79,"evidence":135},"HeartMath",[136],{"id":137,"by":138,"text":139},"37540336","ocescrundest","Thanks for sharing. I've been dealing with health problems since a covid infection and have been experimenting with breath work. I haven't been able to find something that shows…",{"value":141,"source":79,"evidence":142},"Garmin watch",[143],{"id":144,"by":145,"text":146},"37538818","sirsinsalot","I've found my HRV (measured by a Garmin watch) directly correlates with my anxiety levels. So much so, that I use it as a marker to check in with myself, because stress and…",{"value":148,"source":79,"evidence":149},"Welltory",[150],{"id":151,"by":152,"text":148},"37539319","kman82",{"comments":154,"answered":155,"key":156},27,16,[157,160,163],{"id":158,"text":159},"37540436","Yep it's via bluetooth",{"id":161,"text":162},"37553414","Interesting, thanks for sharing. It's cool they do it as a platform, but I'm not sure what the benefit over using a Polar H10 would be, which are widely available, I guess it…",{"id":164,"text":165},"37579330","This should be fixed now. Let me know if you still have 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