Positives

• A patient described using overnight temperature trends to predict flares 36-48 hours in advance and pre-emptively rest Health Rising.
  
  
• Patients report HRV and resting heart rate trends easily reveal when they have overdone it Cornerstone Physio.
  
  

Negatives

• A patient stopped wearing the ring after finding the readiness score data became a source of stress rather than guidance Health Rising forum.
  
  
• Patients noted the ring's HRV/temperature readings have known accuracy limits at the extremes MDPI.
  
  

Hurdles & Side Effects

• Patients face hardware cost plus a recurring monthly subscription to access most metrics Health Rising forum.
  
  
• A patient noted ring sizing problems during fluid-shift flares made readings unreliable Health Rising forum.