{
  "presentation": "complete-card",
  "format_version": 3,
  "overview": "Resting heart rate (RHR) is the number of heartbeats per minute while you're calm and still. People track it for context about health and fitness; the number alone cannot diagnose a problem or explain a change.",
  "overview_sources": "American Heart Association · 2024",
  "overview_source_ids": [
    "self25-resting-heart-rate-aha-pulse"
  ],
  "sections": [
    {
      "role": "explanation",
      "title": "Measuring and understanding your resting pulse",
      "items": [
        {
          "label": "Adult resting rates are often 60–100 bpm.",
          "text": "Bpm means beats per minute. Some active adults rest below 60, sometimes around 40. Fitness, hormones, stress and medicines help explain why people's numbers differ.",
          "source": "American Heart Association · 2024",
          "source_ids": [
            "self25-resting-heart-rate-aha-target"
          ]
        },
        {
          "label": "Measure before getting up or having coffee.",
          "text": "The American Heart Association suggests checking after waking. Similar conditions make a trend easier to interpret than comparing a quiet morning with a reading just after activity.",
          "source": "American Heart Association · 2024",
          "source_ids": [
            "self25-resting-heart-rate-aha-target"
          ]
        },
        {
          "label": "Count the wrist pulse for 60 seconds.",
          "text": "While calmly sitting or lying, lightly place the index and middle fingers over the inner wrist artery and count for one minute. This measures pulse; blood pressure measures force within blood vessels.",
          "source": "American Heart Association · 2024",
          "source_ids": [
            "self25-resting-heart-rate-aha-pulse"
          ]
        },
        {
          "label": "Overnight averages and minimums are different.",
          "text": "Oura reports both average and lowest nighttime RHR from optical pulse readings. Neither is a morning wrist count. Keep the device and chosen summary consistent when following a trend.",
          "source": "Oura Member Care · 2026",
          "source_ids": [
            "self25-resting-heart-rate-oura-definition"
          ]
        },
        {
          "label": "RHR and HRV measure different things.",
          "text": "RHR counts beats; heart-rate variability (HRV) measures changes in the time between beats. A recovery app may display both.",
          "source": "Apple Support · 2026",
          "source_ids": [
            "self25-resting-heart-rate-apple-measurement"
          ]
        }
      ]
    },
    {
      "role": "benefits",
      "title": "Potential benefits",
      "items": [
        {
          "label": "Find your usual range.",
          "text": "Wearable research found that personal rates tend to be more stable than differences between people. Knowing your usual range helps flag changes, but cannot identify their cause.",
          "source": "Quer and colleagues, PLOS One · 2020",
          "source_ids": [
            "self25-resting-heart-rate-quer-baseline"
          ]
        },
        {
          "label": "Follow fitness changes.",
          "text": "Lower RHR often accompanies better aerobic fitness, as the heart meets resting demands with less effort. It adds context alongside performance, without making the lowest possible number a health goal.",
          "source": "American Heart Association · 2024",
          "source_ids": [
            "self25-resting-heart-rate-aha-target"
          ]
        },
        {
          "label": "Bring a record to a clinician.",
          "text": "Logs can help clinicians review changes or medicines that affect pulse. Clinician-directed monitoring has its own timing and frequency.",
          "source": "American Heart Association · 2024",
          "source_ids": [
            "self25-resting-heart-rate-aha-pulse"
          ]
        }
      ]
    },
    {
      "role": "cautions",
      "title": "Good to know",
      "items": [
        {
          "label": "Changes need context.",
          "text": "Heat, stress, pain, sleep and medicines affect pulse. Rates below 60 or above 100 aren't diagnoses. Unusual persistent changes, especially with weakness or dizziness, deserve clinical review; don't adjust medication from a graph.",
          "source": "American Heart Association · 2024",
          "source_ids": [
            "self25-resting-heart-rate-aha-pulse"
          ]
        },
        {
          "label": "Devices can misread.",
          "text": "Even a well-fitted wearable may record an odd high or low value. Check measurement conditions before interpreting an isolated outlier.",
          "source": "Apple Support · 2026",
          "source_ids": [
            "self25-resting-heart-rate-apple-measurement"
          ]
        },
        {
          "label": "Symptoms override a reassuring graph.",
          "text": "Racing or irregular beats that do not settle, or occur with chest pain, breathlessness or fainting, need emergency assessment. Recurrent palpitations deserve clinical review; anemia, thyroid problems and rhythm disorders are possible causes.",
          "source": "NHS · 2026",
          "source_ids": [
            "self25-resting-heart-rate-nhs-palpitations"
          ]
        }
      ]
    },
    {
      "role": "community",
      "title": "From community discussion",
      "items": [
        {
          "label": "Start with a few mornings.",
          "text": "Accounts describe three morning checks as a small start, then daily or most-morning readings for roughly a month. Weekly averages or 7–14-day views help organize patterns; these aren't waiting periods for concerning symptoms.",
          "source": "Community",
          "provenance": "preserved-community-record"
        },
        {
          "label": "More running, sometimes no change.",
          "text": "One runner increased from 20 to 45 km a week but stayed at a sleeping estimate of 47–50 bpm, with low rates in inactive relatives too. Another beginner reported 64 dropping to 57 over several months. Starting levels and responses differed.",
          "source": "Community · Reddit/running",
          "source_ids": [
            "self25-resting-heart-rate-reddit-running-change"
          ]
        },
        {
          "label": "Trackers notice sustained 5–10 bpm rises.",
          "text": "People pair bumps with poor sleep, travel, heat, race nerves or hard training; some notice rises before colds. With fatigue or worse performance, some take easier days and later see readings settle as sleep improves. The 5–10 figure isn't diagnostic.",
          "source": "Community",
          "provenance": "preserved-community-record"
        },
        {
          "label": "Alcohol and illness can look similar.",
          "text": "A Garmin user saw elevated sleeping pulse after drinks and during illness. Others cut back on alcohol, while one couldn't separate drinking less from exercising more. Matching graphs don't establish matching causes.",
          "source": "Community · Reddit/Garmin",
          "source_ids": [
            "self25-resting-heart-rate-reddit-alcohol-illness"
          ]
        },
        {
          "label": "Monthly changes can confuse readiness messages.",
          "text": "Oura users report higher RHR before periods and frustrating readiness messages. Some value the strain signal; others want better explanations. An account posting as Oura said cycle phase already affected scoring.",
          "source": "Community · Reddit/ouraring",
          "source_ids": [
            "self25-resting-heart-rate-reddit-cycle-context"
          ]
        },
        {
          "label": "Checking can reassure or add worry.",
          "text": "One Apple Watch user felt reassured by clinician-requested records. Others described repeated checking or comparing apps that increased worry; one simplified apps to focus on activity instead of scores.",
          "source": "Community · Reddit/AppleWatchFitness",
          "source_ids": [
            "self25-resting-heart-rate-reddit-anxiety-tradeoff"
          ]
        },
        {
          "label": "A watch is optional.",
          "text": "Accounts use watches, straps, cuff pulse displays or 15-second counts multiplied by four. The shortcut is quick but multiplies counting errors; a full minute needs no multiplication. Keeping one method avoids comparing unlike numbers.",
          "source": "Community",
          "provenance": "preserved-community-record"
        },
        {
          "label": "Tracking can stay occasional.",
          "text": "Some keep simple records for years, paying closer attention during training or illness seasons. Others prefer RHR to several recovery scores, check occasionally or drop daily checks when anxiety outweighs usefulness.",
          "source": "Community",
          "provenance": "preserved-community-record"
        }
      ],
      "groups": [
        {
          "title": "Training, alcohol, illness and monthly changes",
          "item_indices": [
            1,
            2,
            3,
            4
          ]
        },
        {
          "title": "Simple tracking without constant checking",
          "item_indices": [
            0,
            5,
            6,
            7
          ]
        }
      ]
    }
  ],
  "related": [
    "hrv",
    "whoop",
    "oura",
    "home-blood-pressure",
    "zone-2",
    "deload-week"
  ]
}
