Perigee — LearnPlain-language reading on perimenopause, your body’s signals, and the data your watch keeps.https://rerigee.aiplusv.net/Why do I keep waking up at 3 a.m.? What your watch sawhttps://rerigee.aiplusv.net/learn/waking-at-3am/https://rerigee.aiplusv.net/learn/waking-at-3am/Waking at 3 a.m. in perimenopause and can’t get back to sleep? Your Apple Watch quietly recorded the broken night — here’s what that overnight data actually shows.Wed, 08 Jul 2026 00:00:00 GMTHeart palpitations in perimenopause: what your watch can’t tell youhttps://rerigee.aiplusv.net/learn/heart-palpitations-perimenopause/https://rerigee.aiplusv.net/learn/heart-palpitations-perimenopause/Heart palpitations in perimenopause can feel alarming. Here’s what your Apple Watch can and can’t tell you about a racing heart — and when it’s worth a clinician.Tue, 07 Jul 2026 00:00:00 GMTWhat’s a “normal” HRV for a woman over 40? Wrong questionhttps://rerigee.aiplusv.net/learn/normal-hrv-over-40/https://rerigee.aiplusv.net/learn/normal-hrv-over-40/Searching for a “normal” HRV for a woman over 40? There isn’t one, and that’s good news. Here’s the more useful question to ask about your heart rate variability.Mon, 06 Jul 2026 00:00:00 GMTThe Apple Watch settings that matter for perimenopause trackinghttps://rerigee.aiplusv.net/learn/apple-watch-settings-perimenopause/https://rerigee.aiplusv.net/learn/apple-watch-settings-perimenopause/The Apple Watch settings that make perimenopause tracking work: turn on Sleep, wear it to bed, enable wrist temperature, and give Perigee full Health access.Sun, 05 Jul 2026 00:00:00 GMTNight sweats leave a trace: reading your wrist temperature datahttps://rerigee.aiplusv.net/learn/night-sweats-wrist-temperature/https://rerigee.aiplusv.net/learn/night-sweats-wrist-temperature/Night sweats in perimenopause leave a real trace. Here's how overnight Apple Watch wrist temperature (Series 8+) reads those hot nights against your baseline.Sat, 04 Jul 2026 00:00:00 GMTTurn your Watch data into a doctor's appointment that goes somewherehttps://rerigee.aiplusv.net/learn/doctor-appointment-watch-data/https://rerigee.aiplusv.net/learn/doctor-appointment-watch-data/Dismissed at the doctor about perimenopause? Bring objective Apple Watch trend data and learn how to frame it so the appointment finally goes somewhere.Fri, 03 Jul 2026 00:00:00 GMTPerimenopause or just stress? How to tell what moved your numbershttps://rerigee.aiplusv.net/learn/perimenopause-or-stress/https://rerigee.aiplusv.net/learn/perimenopause-or-stress/Stress and perimenopause both lower your HRV and lift your resting heart rate — here's how your Apple Watch pattern hints at which one moved your numbers.Thu, 02 Jul 2026 00:00:00 GMTStarting HRT? What to watch in your data (and what not to read into)https://rerigee.aiplusv.net/learn/starting-hrt-what-to-watch/https://rerigee.aiplusv.net/learn/starting-hrt-what-to-watch/Starting HRT and wondering what your Apple Watch will show? Here is what people sometimes notice in their own trends over weeks — and what not to over-read.Wed, 01 Jul 2026 00:00:00 GMT