If you’re able to adjust by 20mg/3 days, it seems this question can just be tested directly. I look forward to hearing how it goes, and how it compares with any advice you get.
I’m actually not sure I can and it feels rough already to decrease. My “so far so good” was more meant as like… “so far, logically straightforward”, not “so far, good clear progress”. My life is a little bit consistently worse under these decreases and I do want to finish the reductions sooner rather than later, without accidentally burning progress through use of night caffeine.
Ah, I see. It’s been a long time since I’ve tried to moderate my consumption, but when I did (and when friends have done so), the metric was “total consumption per day”, so I don’t have much evidence either way whether the distribution across time matters. The preferred way to reduce was to cut out non-morning intake, then to reduce late-morning intake, then to taper and remove initial-morning intake. This can be done by brewing a mixed decaf/caf blend, and making it weaker (more decaf) after your first.
https://www.ncbi.nlm.nih.gov/books/NBK223808/ gives some data about metabolic clearing rate of caffeine (1.5 to 9.5 hour half-life, not very helpful, but if you’re at the midpoint of that (5.5 hours to clear half of the caffeine in your bloodstream), that implies your afternoon dose is on top of significant remnants of the morning, and “total daily dose” matters more than “max ingestion at any one time”.
If you’re able to adjust by 20mg/3 days, it seems this question can just be tested directly. I look forward to hearing how it goes, and how it compares with any advice you get.
I’m actually not sure I can and it feels rough already to decrease. My “so far so good” was more meant as like… “so far, logically straightforward”, not “so far, good clear progress”. My life is a little bit consistently worse under these decreases and I do want to finish the reductions sooner rather than later, without accidentally burning progress through use of night caffeine.
Ah, I see. It’s been a long time since I’ve tried to moderate my consumption, but when I did (and when friends have done so), the metric was “total consumption per day”, so I don’t have much evidence either way whether the distribution across time matters. The preferred way to reduce was to cut out non-morning intake, then to reduce late-morning intake, then to taper and remove initial-morning intake. This can be done by brewing a mixed decaf/caf blend, and making it weaker (more decaf) after your first.
https://www.ncbi.nlm.nih.gov/books/NBK223808/ gives some data about metabolic clearing rate of caffeine (1.5 to 9.5 hour half-life, not very helpful, but if you’re at the midpoint of that (5.5 hours to clear half of the caffeine in your bloodstream), that implies your afternoon dose is on top of significant remnants of the morning, and “total daily dose” matters more than “max ingestion at any one time”.