Longevity Lab Insights
Sleep & Recovery Insights
HRV, resting heart rate, deep sleep and the recovery signals behind them.
Featured article
Featured
Why Your HRV Can Drop Even When You Feel Fine
A lower HRV reading isn't a diagnosis. Here's what actually moves HRV day to day — stress, alcohol, sleep, age — and why trend matters more than one number.
5 min read
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Wearables & Labs
How to Combine Oura Ring Data With Blood Work
Oura shows daily recovery patterns. Blood work adds biological context. The useful layer is knowing how to read both without overreacting.
August 18, 2026 · 3 min read
Menopause & Midlife
How Long Hot Flashes Actually Last
Most women are told hot flashes last a year or two. The largest long-term study found a median of 7.4 years — 4.5 of them after the final period.
August 3, 2026 · 4 min read
Wearables & Labs
Why Your Resting Heart Rate Trend Matters More Than Any Single Reading
A single resting heart rate reading tells you little. The multi-year trend is one of the more consistently replicated predictors of mortality risk.
July 24, 2026 · 4 min read
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