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Ultrahuman Science

Stay ahead with updates on our latest research and publications.

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Sauna nights lift sleep score and lower overnight heart rate but trim deep sleep, across 180 Ring members
Sleep11 JUN 2026

Sauna nights lift sleep score and lower overnight heart rate but trim deep sleep, across 180 Ring members

Hot flashes shift sleep toward lighter stages and raise overnight heart rate, across 2,789 Ring members
Women's Health28 MAY 2026

Hot flashes shift sleep toward lighter stages and raise overnight heart rate, across 2,789 Ring members

Across 89 days around a HYROX race, one athlete's recovery overshot baseline by 19% and sleep HRV by 44%
Sports22 MAY 2026

Across 89 days around a HYROX race, one athlete's recovery overshot baseline by 19% and sleep HRV by 44%

Normal LDL-C, elevated ApoB: how often Ultrahuman's cohort carries the discordance the new guidelines target
Heart Health12 MAY 2026

Normal LDL-C, elevated ApoB: how often Ultrahuman's cohort carries the discordance the new guidelines target

Social jetlag carries a measurable overnight autonomic cost across 187,796 ring wearers
Sleep12 MAY 2026

Social jetlag carries a measurable overnight autonomic cost across 187,796 ring wearers

Magnesium-tagged nights lift sleep score and lower overnight heart rate across 337,471 user-nights
Sleep12 MAY 2026

Magnesium-tagged nights lift sleep score and lower overnight heart rate across 337,471 user-nights

White papers33

Sleep29 APR 2026

Sustained Geopolitical Stress Produces a Chronic Physiological Burden: Population-Scale Wearable Evidence Across 65 Countries

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Metabolic Health06 APR 2026

The GLP-1 Files: A Data-Driven Journey Through Tirzepatide, Tracked with 134 Days of Continuous Wearable Data

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Sleep04 MAR 2026

Population-Scale Ring AIR Monitoring Captures Geographic Patterns of Acute Sleep Disruption Amidst Geopolitical Conflict

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Women's Health20 AUG 2025

Temperature-derived Cycle Flags™ : Characterizing Menstrual Cycle Dynamics Using Ultrahuman Cycle Tracking & Ovulation (C&O Pro) Algorithm powered by OvuSense™ Technology

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Women's Health19 AUG 2025

Listening In: Introducing the Ultrahuman Cycle Tracking & Ovulation Pro (C&O Pro) Feature Powered by OvuSense™ Technology

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Sports08 AUG 2025

From ICU to Snow Slopes: Tracking the Rehabilitation Journey of a Youth Athlete After Spinal Surgery with the Ultrahuman Ring AIR

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How Does the Sleep Regularity Questionnaire Relate to Wearable- and Diary-Derived Sleep Regularity?

Journal of Circadian Rhythms

12 MAY 2026

Wearable-derived cardiovascular fitness age and its lifestyle correlates in 442 adults

medRxiv

27 MAR 2026

Comparing the effects of a short nap and non-sleep deep rest on perceptual, cognitive, and physical performance in active adults

medRxiv

04 MAR 2026

Continuous overnight monitoring of body temperature during embryo transfer cycles as a proxy for establishing progesterone fluctuations by comparison with P4 blood progesterone results: a prospective, observational study

Reproductive Biology and Endocrinology

03 FEB 2025

Metabolic health tracking using Ultrahuman M1 continuous glucose monitoring platform in non- and pre-diabetic Indians: a multi-armed observational study

Scientific Reports

18 MAR 2024