All Articles
Find health guides and all information on metabolic health to feed the curious you.
Heart rate variability (HRV): What’s normal – and how to increase it
We explain HRV, and the science behind this important wearables metric – and finally, what it says about…
Jun 18, 2025
5 ways to supercharge your deep sleep
Learn why deep sleep matters, how much you need, and 5 science-backed ways to improve it — even…
Jun 17, 2025
Famous athletes’ resting heart rate – and why it’s so low
Discover how and why pro athletes have unusually low resting heart rates, often as low as 30 bpm,…
Jun 16, 2025
How the vagus nerve can boost blood sugar control
Discover how the vagus nerve influences glucose control, insulin sensitivity, and inflammation — plus actionable ways to support…
Jun 16, 2025
The vagus nerve and HRV: How to unlock your parasympathetic superpower
Discover how the vagus nerve influences HRV, stress, and recovery — and how you can train it to…
Jun 16, 2025
Chow mein and health: A glucose heavy hitter
Is chow mein healthy? Discover how different versions of this popular noodle dish impact your glucose, and learn…
Jun 16, 2025
Ultrahuman Early Summer Release Sprint ‘25
Updated: All the features from our week of cross team collaboration revealed
Jun 13, 2025
Introducing Caffeine Window upgrade: Now with real-time tracking and logging
Caffeine Window got personal with effortless tagging, real-time body caffeine levels and adaptable cut-off times.
Jun 13, 2025