
James Stables
James Stables is a wearable tech expert and Content Lead at Ultrahuman. He was the founder of Wareable and spent 15 years as a journalist and publisher in the technology and health space.
45 articles

Diabetes risk blood test explained: Metabolic markers and healthy ranges revealed
See how the Blood Vision Metabolic Health panel tracks fasting glucose, insulin, and HbA1c to catch diabetes risk early and guide preventive lifestyle …
Aug 26, 2025
How Blood Vision and Ultrahuman Ring AIR sparked two life-changing health shifts
Two real-world stories of how Blood Vision and Ultrahuman Ring AIR combined for health changes
Jul 18, 2025
Why sleep is the hardest Tour De France stage to win
How Team Cofidis uses Ultrahuman Ring AIR to maximize recovery during the Tour de France
Jul 08, 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
UltraSync with Tesla PowerPlug: Sync your mind, body and car
How the UltraSync with Tesla combines sleep, stress and drive data to boost safety at the wheel
Jun 12, 2025
Sleep Algorithm 2.0 explained: Personalized sleep scoring
How Ultrahuman Ring AIR's new machine learning-trained sleep algorithm makes tracking more accurate and personalized
Jun 11, 2025
Introducing Ultra Age: A new marker for biological aging
How Ultra Age uses Pulse, Brain and Blood Age markers to reveal how your body is aging
Jun 10, 2025
Introducing Brain Waste Clearance: A new marker for brain recovery
How the Ultrahuman Ring AIR estimates glymphatic clearance as a window into cognitive health
Jun 09, 2025
Introducing New Parent PowerPlug
How our latest PowerPlug helps new parents get smarter insights into sleep and recovery
Jun 08, 2025
Introducing Smart Tags: Context meets health
How Smart Tags help you connect the dots between your body and your data
Jun 07, 2025
Ultrahuman Home is live: Introducing the future of healthy living
The science behind the Ultrahuman Home, which monitors your home health in real time
Jun 06, 2025
Is waking before 5 AM actually good for you?
While success influencers might brag about waking up pre-dawn, we explain the effect on your body and why it might not be worth setting that alarm
Jun 05, 2025
Shift Work PowerPlug: How to manage irregular sleep patterns
Introducing the Ultrahuman Ring AIR's Shift Work PowerPlug and how it helps shift workers maximize rest and recovery.
May 30, 2025
Age and sleep: How to use sleep as an anti-aging power-up
We explain how sleep changes as we get older - and how to fight back
May 28, 2025
Why naps are the secret to living stronger, smarter, and longer
Why sleeping for 28 minutes can make you smarter, stronger – and live longer
May 22, 2025
Introducing: Cycle and Ovulation algo 2.0
Meet Cycle and Ovulation algo 2.0. Just six months after launch, Ultrahuman upgrades its subscription-free cycle and fertility tracking with sharper …
May 11, 2025
Blood glucose spikes at night explained – and how to prevent them
The Dawn Phenomenon usually occurs between 3 AM and 8 AM. As the body prepares to rise and greet the day, read more about preventing it.
Apr 08, 2025
Sleepmaxxing: The evidence behind the TikTok trend
Sleepmaxxing is a big TikTok trend – but are the techniques evidence backed, or social media hype? We find out
Mar 26, 2025
New study reveals on-going benefits of blue light blocking glasses
New research by Ultrahuman shows that the benefits of wearing blue light-blocking glasses could last longer than first thought
Mar 14, 2025
Sleep smarter with Ramadan Mode on Ultrahuman Ring AIR
Discover how Ramadan Mode on the Ultrahuman Ring AIR helps you manage sleep debt from Suhoor and Taraweeh routines and rest better through the month.
Feb 26, 2025