01
Sleep · cortisolThe 3 a.m. wake-up nobody warned you about
Why you’re bolt-awake at 3 a.m. with a racing heart, what progesterone and cortisol have to do with it, and the evidence-backed fixes.
For new readers
Where to begin, if you’re trying to figure out what’s actually going on.
Five evidence-backed notes from the perimenopause questions that keep landing in our inbox. Pick the one that sounds closest to what your body is doing right now.
Get the free perimenopause symptom guide →
The 40+ symptom guide · free · straight to your inbox
The five worth reading first
02
Brain · cognitionWhy you can’t remember anything at 43 (it’s not early dementia)
Perimenopause brain fog has a real biological explanation. What estrogen does in the brain, why the fog is temporary, and what helps.
03
Quiz · 2 minutesWhat’s your perimenopause type? Take the 2-minute quiz
Eight quick questions map which symptoms are running the show right now, and what actually helps. No email required to start.
04
Energy · glycemicThe 3 p.m. crash isn’t tiredness: it’s a glycemic curve problem
The afternoon fog that coffee doesn’t fix. Estrogen’s decline changes how your body handles post-meal blood sugar.
05
Symptoms · the full mapEvery perimenopause symptom, explained (40+ signs)
Hot flashes are the least of it. The full map of perimenopause symptoms, grouped by the hormone driving each one, and the red flags worth a doctor visit.
