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Re:Ask HN: How do I develop focus? by everhard_ on Monday April 04, 2022 @12:17PM (#30908387)
This might be a bit off topic, but might help somehow...

Something that has striked me during the last weeks --since I got my WHOOP-- is the correlation between HRV and self-control (aka. will). I've monitored how productive and focused I am and my top days all have in common this:

-- didn't drink alcohol at least 3 days before (I'm now avoiding it as much as possible)

-- got at least 3.5 hours of REM and deep sleep

-- breath exercises at least 3 time a day

Conclusion... monitor your HRV and you might be able to focus better

Re:Ask HN: How do I develop focus? by koonsolo on Monday April 04, 2022 @12:39PM (#30908698)
For me caffeine is also a killer, even more so than the alcohol.