Health insights
from the Livity team
Deep dives into sleep science, HRV, fitness age, and the metrics that actually matter for your long-term health.
Nervous System Regulation: What Your HRV Data Is Actually Telling You
Nervous system regulation is the biggest wellness trend of 2026 — but most people are doing it blind. Your Apple Watch already has the data to show whether it is actually working.
VO2 Max and Fitness Age Explained: What Your Apple Watch Is Really Telling You
Your VO2 max might be the single most important number for predicting how long you'll live — and your Apple Watch already tracks it.
Your Fitness Tracker Knows Everything About You. Who Else Does?
61 million fitness tracker records were exposed in a single breach. Your health data probably isn't as private as you think.
Orthosomnia: Is Your Sleep Tracker Actually Making Your Sleep Worse?
Your sleep tracker might be keeping you awake. Orthosomnia — anxiety from obsessing over sleep data — affects up to 23% of young adults. Here's how to track sleep without losing sleep.
Best Sleep Trackers in 2026 That Don't Require Extra Hardware
You don't need an Oura Ring or Whoop strap to track your sleep properly. Here are the best sleep tracking apps in 2026 that work with your Apple Watch or iPhone.
Apple Shelved Its AI Health Coach — Here's What That Means for You
Apple quietly shelved Health+, its AI-powered health coaching service. Here's what happened, what features are still coming, and what you can use right now instead.
Best Oura Ring Alternatives in 2026 (No Extra Hardware Needed)
The Oura Ring 4 starts at $349 and locks most features behind a $6/month subscription. Your Apple Watch already has the sensors to replace it — here's how.
How to Track Recovery on Apple Watch (2026 Guide)
Your Apple Watch already has every sensor needed for recovery tracking. Here's how to turn that data into a daily recovery score — no extra hardware or subscription required.
Heart Rate Zones Explained: Fat Burning vs Cardio vs Peak
Zone 2 for longevity. Zone 3 for cardio. Zone 5 for max effort. But what do heart rate zones actually mean — and is the fat burning zone real? Here's what the science says.
7 Apple Watch Health Features You're Probably Not Using
Your Apple Watch is one of the most advanced health devices ever made — but most people only use it to count steps and check the time. Here are the features you're missing.
How to Track Stress on Apple Watch: The Complete Guide
Your Apple Watch can track your heart rate, sleep, and blood oxygen — but it still can't show you a stress score. Here's how to fix that.
Best WHOOP Alternatives in 2026: Free and Subscription-Free Options
WHOOP costs up to $360/year — and you don't even own the hardware. Here are the best alternatives that track recovery, strain, and sleep without the subscription.
How Much Sleep Do You Need? Hours, Quality, and Tips
You've probably heard you need 8 hours of sleep. But the real answer is more nuanced — and the hours are only half the story.
What Is HRV? Heart Rate Variability Explained
Your heart doesn't beat like a metronome — and that's a good thing. HRV reveals more about your body than your heart rate alone ever could.
Apple Sleep Score Explained: What It Means and How to Improve It
Apple now gives your sleep a number — but what does it actually measure? Here's how the Apple Sleep Score works and what you can do to improve it.