https://aerahealth.app/notes/What consumer wearables can and cannot measure, with the research behind each claim.en-usSun, 04 Oct 2026 05:58:12 +0000https://aerahealth.app/notes/what-does-a-readiness-score-mean.htmlhttps://aerahealth.app/notes/what-does-a-readiness-score-mean.htmlSun, 04 Oct 2026 05:58:12 +0000Overnight signals are not a clean bill of health; the opposite mismatch also happens.https://aerahealth.app/notes/what-is-a-repeated-running-route.htmlhttps://aerahealth.app/notes/what-is-a-repeated-running-route.htmlThu, 01 Oct 2026 06:05:00 +0000The same whole run you return to often enough that an app can name the ground, count returns, and time it with fixed gates.https://aerahealth.app/notes/what-are-running-segments.htmlhttps://aerahealth.app/notes/what-are-running-segments.htmlThu, 01 Oct 2026 06:05:00 +0000Repeated stretches your runs keep covering, found and timed with gates. No leaderboard. The only person on the course is you.https://aerahealth.app/notes/how-long-will-this-climb-take-me.htmlhttps://aerahealth.app/notes/how-long-will-this-climb-take-me.htmlThu, 01 Oct 2026 06:05:00 +0000Read remaining ground in minutes from your recent pace, after correcting each stretch for how much climb costs. About, not a promise.https://aerahealth.app/notes/when-should-i-start-a-training-plan.htmlhttps://aerahealth.app/notes/when-should-i-start-a-training-plan.htmlTue, 30 Sep 2026 05:55:00 +0000When your own week already shows a steady rhythm. A plan shapes a habit you have.https://aerahealth.app/notes/should-i-sometimes-push-harder-on-an-easy-day.htmlhttps://aerahealth.app/notes/should-i-sometimes-push-harder-on-an-easy-day.htmlTue, 30 Sep 2026 05:55:00 +0000Sometimes, on a settled day. A small optional stretch builds the ceiling. A daily push does not.https://aerahealth.app/notes/how-long-will-this-route-take-me.htmlhttps://aerahealth.app/notes/how-long-will-this-route-take-me.htmlTue, 30 Sep 2026 05:55:00 +0000A range from your own comparable workouts, not a map app travel time.https://aerahealth.app/notes/what-can-a-consumer-watch-not-measure.htmlhttps://aerahealth.app/notes/what-can-a-consumer-watch-not-measure.htmlTue, 29 Sep 2026 05:55:00 +0000Heart and movement from the wrist are strong. Blood chemistry, genes, and most illness are not.https://aerahealth.app/notes/why-should-a-watch-compare-me-to-myself.htmlhttps://aerahealth.app/notes/why-should-a-watch-compare-me-to-myself.htmlTue, 29 Sep 2026 05:55:00 +0000People differ too much for group averages. Your own recent weeks are the meaningful band.https://aerahealth.app/notes/should-i-make-up-a-missed-workout.htmlhttps://aerahealth.app/notes/should-i-make-up-a-missed-workout.htmlTue, 29 Sep 2026 05:55:00 +0000Usually no. Leave the miss alone. Stacking catch-up kilometres is how weekly distance jumps.https://aerahealth.app/notes/why-does-biological-age-move-slowly.htmlhttps://aerahealth.app/notes/why-does-biological-age-move-slowly.htmlMon, 28 Sep 2026 05:55:00 +0000Watch aging reads follow weeks of habit, not one night or one workout.https://aerahealth.app/notes/how-should-i-read-heart-rate-recovery.htmlhttps://aerahealth.app/notes/how-should-i-read-heart-rate-recovery.htmlMon, 28 Sep 2026 05:55:00 +0000Compare the first-minute drop only under matched efforts. Trend beats one number.https://aerahealth.app/notes/what-is-biological-age.htmlhttps://aerahealth.app/notes/what-is-biological-age.htmlMon, 28 Sep 2026 05:55:00 +0000A wearable estimate of how recent heart, fitness, and sleep signals compare with peers, not a second birthday.https://aerahealth.app/notes/how-will-training-affect-tomorrows-recovery.htmlhttps://aerahealth.app/notes/how-will-training-affect-tomorrows-recovery.htmlSun, 27 Sep 2026 06:00:00 +0000Easy work usually clears by morning. Hard work more often leaves a quieter read. Neither is a forecast.https://aerahealth.app/notes/what-does-a-training-streak-mean.htmlhttps://aerahealth.app/notes/what-does-a-training-streak-mean.htmlSun, 27 Sep 2026 06:00:00 +0000Weeks you showed up with at least one recorded session. A count of attendance, not a fitness grade.https://aerahealth.app/notes/why-does-heat-raise-my-heart-rate.htmlhttps://aerahealth.app/notes/why-does-heat-raise-my-heart-rate.htmlSun, 27 Sep 2026 06:00:00 +0000On a warm or humid day your heart runs higher at the same pace. That is weather working, not lost fitness.https://aerahealth.app/notes/what-are-record-distances.htmlhttps://aerahealth.app/notes/what-are-record-distances.htmlSat, 26 Sep 2026 06:05:00 +0000The fastest stretch of an exact distance inside a run, tracked at five common marks. GPS noise is worse on short ones.https://aerahealth.app/notes/what-is-a-recent-best-vs-a-record.htmlhttps://aerahealth.app/notes/what-is-a-recent-best-vs-a-record.htmlSat, 26 Sep 2026 06:05:00 +0000Same stopwatch, two windows. Neither one is a race forecast.https://aerahealth.app/notes/does-exercise-help-you-sleep-deeper.htmlhttps://aerahealth.app/notes/does-exercise-help-you-sleep-deeper.htmlSat, 26 Sep 2026 06:05:00 +0000Direction, not dose. A session can nudge slow-wave sleep; hard or late can go the other way.https://aerahealth.app/notes/what-are-splits.htmlhttps://aerahealth.app/notes/what-are-splits.htmlFri, 25 Sep 2026 06:00:00 +0000Equal pieces of a run that show whether pace held, drifted, or faded. A shape, not a grade.