Insights, category: Fatigue and Stress

Our newest app version takes a big leap forward on that mission, delivering more real-time insight, cleaner data, and a brand-new Body Readiness feature you’ll want to check every morning.

In the ever-evolving world of wearable technology, we’re constantly learning more about how our bodies function—and nothing is more fundamental than understanding sleep. For those looking to optimize their health and wellness, cracking the code to better sleep begins with understanding the Core Sleep Phases. These phases play a critical role in how you recover, remember, and recharge every single day.