sleep quality metrics
3 Secret Wellness Indicators That Exposed Restorative Sleep
Restorative sleep hinges on three hidden metrics: sleep architecture disturbance frequency, restorative sleep pattern continuity, and the biofeedback-derived restoration score. Together they predict next-day performance more reliably than heart-rate variability or step counts alone. Between January 2023 and September 2025, Italy's Economic Sentiment Indicator fell below the neutral