{
  "presentation": "complete-card",
  "format_version": 3,
  "overview": "WHOOP is a wearable band and paid app membership built around sleep, daily exertion and a morning Recovery score. Its measurements show patterns across days.",
  "overview_sources": "WHOOP · WHOOP 101",
  "overview_source_ids": [
    "self22b8-whoop-101"
  ],
  "sections": [
    {
      "role": "explanation",
      "title": "The band, the scores and the membership",
      "items": [
        {
          "label": "The band has no screen or built-in GPS.",
          "text": "Read results in the phone app. Sensors track heart rate and movement; outdoor route, pace and distance tracking needs a connected phone.",
          "source": "WHOOP · Activity detection 2026",
          "source_ids": [
            "self22b8-whoop-activity"
          ]
        },
        {
          "label": "Recovery combines several measurements.",
          "text": "WHOOP estimates sleep duration and stages. Sleep, resting heart rate, breathing rate and heart-rate variability—the variation between beats—help produce your morning Recovery percentage.",
          "source": "WHOOP · WHOOP 101",
          "source_ids": [
            "self22b8-whoop-101"
          ]
        },
        {
          "label": "Green starts at 67%; yellow is 34–66%; red is below 34%.",
          "text": "These are WHOOP's readiness categories. Recovery is a morning reading, whereas Strain builds through the day.",
          "source": "WHOOP · WHOOP 101",
          "source_ids": [
            "self22b8-whoop-101"
          ]
        },
        {
          "label": "Strain runs from 0 to 21.",
          "text": "It estimates cardiovascular and muscular load. The scale is nonlinear: two workouts scoring 10 do not make a day scoring 20, and a higher number is not automatically better.",
          "source": "WHOOP · Strain 2026",
          "source_ids": [
            "self22b8-whoop-strain"
          ]
        },
        {
          "label": "U.S. annual prices are $199 One, $239 Peak and $359 Life.",
          "text": "Checked September 29, 2026. One and Peak include WHOOP 5.0; Life includes WHOOP MG. All have sleep, Recovery and Strain tracking. WHOOP advertises 14+ days of battery life; offers and regional prices can differ.",
          "source": "WHOOP · Membership lineup",
          "source_ids": [
            "self22b8-whoop-life"
          ]
        },
        {
          "label": "Peak adds monitoring; Life adds heart screening.",
          "text": "Peak adds Stress Monitor, Health Monitor and Healthspan's WHOOP Age estimate. Life adds ECG, irregular-rhythm notifications and Blood Pressure Insights. These features have different medical and eligibility limits.",
          "source": "WHOOP · Peak lineup",
          "source_ids": [
            "self22b8-whoop-peak"
          ]
        },
        {
          "label": "Wear it through the day and night for a fuller record.",
          "text": "WHOOP advises a snug fit about one finger above the wrist bone. Review automatic activity labels and correct missed or misclassified sessions in the app; poor contact can distort the measurements.",
          "source": "WHOOP · Activity detection 2026",
          "source_ids": [
            "self22b8-whoop-activity"
          ]
        }
      ]
    },
    {
      "role": "benefits",
      "title": "What it may help you notice",
      "items": [
        {
          "label": "A journal can connect habits with your scores.",
          "text": "Logging alcohol or late meals lets you compare them with subsequent Recovery. Patterns suggest something to explore without proving cause and effect.",
          "source": "WHOOP · Recovery 2022",
          "source_ids": [
            "self22b8-whoop-recovery"
          ]
        },
        {
          "label": "A weekly view can make load and rest easier to compare.",
          "text": "Recovery and Strain show demanding and quieter days together. Suggested targets are guidance alongside your plan and how you feel.",
          "source": "WHOOP · Strain 2026",
          "source_ids": [
            "self22b8-whoop-strain"
          ]
        }
      ]
    },
    {
      "role": "cautions",
      "title": "Good to know before paying",
      "items": [
        {
          "label": "The scores are estimates with blind spots.",
          "text": "Strain depends on sensor readings and workout details; its formula is proprietary. It does not directly measure muscle damage, soreness or workout quality.",
          "source": "WHOOP · Strain 2026",
          "source_ids": [
            "self22b8-whoop-strain"
          ]
        },
        {
          "label": "Membership renews; a trial can become a paid year.",
          "text": "WHOOP's terms make an uncancelled trial a Peak annual membership unless you select another tier. Cancelling mid-term generally stops the next renewal rather than refunding unused months. Check the return deadline for trial hardware.",
          "source": "WHOOP · Terms 2026",
          "source_ids": [
            "self22b8-whoop-terms"
          ]
        },
        {
          "label": "Life's blood-pressure feature is for wellness.",
          "text": "It cannot diagnose or manage conditions and excludes pregnancy and blood-pressure medication use. ECG is not intended under 22 and has rhythm, implanted-device and regional restrictions. Healthspan is wellness-only, for adults.",
          "source": "WHOOP · Medical information",
          "source_ids": [
            "self22b8-whoop-life"
          ]
        },
        {
          "label": "Sleep scores do not settle a sleep problem.",
          "text": "Persistent poor sleep or daytime sleepiness needs assessment even when a wearable looks reassuring. Consumer tracking can inform a conversation, but it does not replace validated sleep testing.",
          "source": "AASM 2018",
          "source_ids": [
            "self22b8-whoop-aasm"
          ]
        }
      ]
    },
    {
      "role": "community",
      "title": "Living with WHOOP: useful diary or extra pressure?",
      "items": [
        {
          "label": "Comfort and background tracking can be the attraction.",
          "text": "A Peak wearer reported comfortable wear, reliable naps and flight tracking, and 10–12 days of battery life. Their drawback was reaching for a phone during lifting; they found little value in the AI features.",
          "source": "Community · Reddit r/whoop 2026",
          "source_ids": [
            "self22b8-whoop-reddit-month"
          ]
        },
        {
          "label": "The habit lesson may outlast the subscription.",
          "text": "A 14-month wearer knew their patterns and questioned the cost. Replies valued tracking's motivation or switched to Garmin after learning their patterns.",
          "source": "Community · Reddit r/whoop 2026",
          "source_ids": [
            "self22b8-whoop-reddit-value"
          ]
        },
        {
          "label": "More data does not always change a routine.",
          "text": "A user with an established routine found no needed information, still used a workout watch and slept worse following WHOOP's unusually early suggested bedtime.",
          "source": "Community · Reddit r/whoop",
          "source_ids": [
            "self22b8-whoop-reddit-keep"
          ]
        },
        {
          "label": "Red days can change training in opposite ways.",
          "text": "A grappler described skipping training because a red score got into their head. Another said taking poor-recovery nights off helped them return feeling better. Neither report establishes that following a color prevents injury.",
          "source": "Community · Reddit r/whoop 2026",
          "source_ids": [
            "self22b8-whoop-reddit-stop"
          ]
        },
        {
          "label": "Workout heart-rate readings can disappoint.",
          "text": "A satisfied 4.0 user reported lower readings after upgrading. Replies described discrepancies or better readings after changing placement. These observations are not controlled accuracy tests.",
          "source": "Community · Reddit r/whoop 2025",
          "source_ids": [
            "self22b8-whoop-reddit-accuracy"
          ]
        },
        {
          "label": "A brief weekly review suits some wearers.",
          "text": "People compare travel, alcohol, short nights and hard blocks, then adjust bedtime or session spacing. Bedtime reminders help some; others get only confirmation. Chasing green does not fix five-hour nights.",
          "source": "Community",
          "provenance": "preserved-community-record"
        },
        {
          "label": "Teams add motivation and comparison pressure.",
          "text": "Gym leaderboards, strain targets and green-day challenges keep some people engaged after the novelty fades. Other accounts describe a coach treating an amber day as failure, making the same social feature burdensome.",
          "source": "Community",
          "provenance": "preserved-community-record"
        },
        {
          "label": "Checking can become the stressful habit.",
          "text": "Accounts include 3 a.m. checking, bedtime arguments, buying a second tracker for verification and anxiety from combining lab dashboards with Recovery. Others remove the band for a week and keep their sleep/training habits.",
          "source": "Community",
          "provenance": "preserved-community-record"
        },
        {
          "label": "Wear time and renewal cost shape whether people keep it.",
          "text": "Some use it during travel, camps or race blocks, or wear it only overnight; that leaves daytime strain incomplete. Reported reasons to quit include post-promotion cost, skin irritation and broken hardware.",
          "source": "Community",
          "provenance": "preserved-community-record"
        },
        {
          "label": "A color can disagree with how someone feels.",
          "text": "Wearers connect score swings with caffeine, heat, illness, travel and cycle phase. Some check mood, legs, calendar stress and perceived sleep too, keeping one color from cancelling the week.",
          "source": "Community",
          "provenance": "preserved-community-record"
        },
        {
          "label": "Changing devices changes the everyday job.",
          "text": "People compare Oura for sleep, Garmin for running and their existing message watch. Others keep WHOOP for a gym team; those preferences do not establish a universal winner.",
          "source": "Community",
          "provenance": "preserved-community-record"
        }
      ],
      "groups": [
        {
          "title": "Useful lessons and conflicting recovery colors",
          "item_indices": [
            1,
            2,
            3,
            9
          ]
        },
        {
          "title": "Wear comfort, heart-rate readings and device choice",
          "item_indices": [
            0,
            4,
            8,
            10
          ]
        },
        {
          "title": "Checking routines and team pressure",
          "item_indices": [
            5,
            6,
            7
          ]
        }
      ]
    }
  ],
  "related": [
    "hrv",
    "sleep-hours",
    "oura",
    "garmin-watch",
    "apple-watch-rings"
  ]
}
