The 3 AM Perimenopause Alarm Clock: Who Set It, and How Do You Turn It Off?

The Physiology of Ambition · Oct 15, 2026 · 49m

Last night I had the most luxurious sleep.

I actually slept through until the morning birds started singing around five. I woke up smiling. I called it luxurious, which tells you everything about how rare it is.

I used to sleep like a baby, then I had one. That wired a part of my brain to stay on alert overnight. Then perimenopause arrived and installed its own operating system, and my sleep has never been quite the same.

You know when you go to bed genuinely exhausted, not artificially tired from scrolling, but the kind of tired that asks you to give all you could, and then you open your…