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Find health guides and all information on metabolic health to feed the curious you.

Discover the secrets behind the Ultrahuman Ring PRO's category-leading battery life, of up to 15 days.

We look at the battery life of major smart rings, including manufacturer estimates and verified results from top tech testers

We look at how smart rings compare to smartwatches when it comes to battery life and uninterrupted health tracking

We explain why your circadian rhythm and sleep wake cycle is so important, and what affects your chronotype.

We explain HRV, and the science behind this important wearables metric – and finally, what it says about your health.

We explain the science behind blue light wavelengths and how it affects sleep onset, as well as how to mitigate its effects

We explain how to use Find My Ring feature to find a lost or misplaced Ultrahuman Ring

If you need to reset the Ultrahuman Ring then follow these simple steps

Discover how the vagus nerve influences HRV, stress, and recovery — and how you can train it to improve parasympathetic tone and resilience.