From the PeriClue blog

Research-backed insights on perimenopause: sleep architecture, recovery, hormonal health, and making sense of the Apple Watch data you're already collecting.

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Sleep & Recovery7 min read

More Sleep Isn't Better. A New Study Mapped the Sweet Spot Organ by Organ.

A 2026 Nature study used half a million people and 23 'biological aging clocks' to find the sleep duration linked to the least aging. The answer wasn't eight hours, wasn't one number, and wasn't the same for women and men. Here's how to find yours.

Jun 13, 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
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