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High Performance Health

High Performance Health

From 60 to 134 HRV: The Habits Behind Peak Human Performance with Dr Kristen Holmes

Sep 13, 2026 · 1h 3m

Coming soon to iPhone. Already have it? “Listen in Starcast” takes you straight there.

About this episode

She more than doubled her HRV in under a decade, and the behaviour that moved it most was not training, supplements or sleep duration, but going to bed and waking at the same time. This week I sat down with Global Head of Human Performance at WHOOP and author of Aligned, Dr Kristen Holmes, to unpack why sleep-wake consistency is the foundation of a resilient nervous system in midlife. WHAT YOU WILL LEARN - Why is sleep-wake consistency a stronger predictor of mortality and disease than how long you sleep? - How does the contrast between your day and your night affect the severity of menopause symptoms? - What is the physiological sigh, and why did it outperform other anxiety-reducing…