From the Periclue blog

Research-backed insights on sleep, recovery, hormonal health, and making sense of your Apple Watch data.

Mind & Mood7 min read

The Word Is Right There

I posted on Reddit about making typos I'd never made before and losing words mid-sentence. Over 400 women told me the same story. Here's what the research says is actually happening.

Mar 6, 2026Read
Hormonal Health9 min read

"You're Too Young for Perimenopause" and Other Things Doctors Say

You've been exhausted in a way sleep does not fix. Your brain does things it never used to do. Your doctor says everything looks fine. Here is what nobody has told you yet.

Feb 26, 2026Read
Hormonal Health8 min read

The Most Common Symptom of Perimenopause Isn't What You Think

Ask anyone what perimenopause feels like and they'll say hot flashes. Ask 17,494 women what they actually experience and the answer is different. Exhaustion. Fatigue. Irritability. The research is now in.

Feb 18, 2026Read
Mind & Mood7 min read

The Anxiety of Not Knowing

The worst part of perimenopause wasn't the symptoms. It was the months of not knowing why they were happening. Turns out, that uncertainty itself has a measurable cost.

Feb 18, 2026Read
Hormonal Health8 min read

What 90 Days of Wearable Data Taught Me About Perimenopause

I wore multiple wearables, tracked everything, went to every doctor. My scores said I was fine. My body said otherwise. Here's what the data actually showed. And the coffee-fueled moment that changed everything.

Feb 18, 2026Read
Sleep & Recovery7 min read

Sleep Fragmentation Matters More Than Duration

You slept 8 hours but feel terrible. The problem isn't how long you slept. It's how many times you woke up. And the research on what that does to your body is striking.

Feb 14, 2026Read
Research & Science9 min read

You're Not Imagining It. Why Weather Hits Different in Perimenopause.

A cold front rolls in and you get a migraine, stiff joints, and brain fog all at once. This is not a coincidence. It is neuroscience.

Feb 28, 2026Read
Mind & Mood6 min read

Brain Fog Is Not Just Stress

When the word you've used a thousand times just disappears mid-sentence, everyone has an explanation. Stress. Sleep. Age. But the research points somewhere else entirely.

Feb 10, 2026Read
Blog — Periclue