Oura Ring Gen 4 vs WHOOP 5.0: Sleep & HRV Accuracy
Tiny sensors strapped to your wrist or finger are now making extraordinary claims: they can tell you how well you slept, how recovered your body is, and even when you should push hard or take it easy. But are the Oura Ring Gen 4 and WHOOP 5.0 actually delivering accurate data? Let’s cut through the…