NightKnight
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mg/dL ·
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Trailing summary

Glucose

Statistical Analysis

Deeper CGM analytics — GRI, AGP, episodes and variability.

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Glycemia Risk Index ?A single 0–100 score (lower is better) that blends low- and high-glucose risk using weights from clinician rankings (Klonoff 2023). GRI = 3·(VeryLow + 0.8·Low) + 1.6·(VeryHigh + 0.5·High), capped at 100. Zones run A (best) to E.

Core Metrics

Ambulatory Glucose Profile ?Every day in the period overlaid onto one 24-hour day. The white line is the median; the inner band is the middle 50% (25–75th percentile) and the outer band the middle 90% (5–95th). A tight band near the target range is the goal.

Median 25–75% 5–95% Target range

Time-of-Day Patterns ?Average glucose and time-in-range for each quarter of the day, in your local time — surfaces overnight lows or a dawn rise and post-meal highs.

Episodes ?Hypo/hyper events lasting ≥15 minutes, ending once glucose is back in range for ≥15 minutes (2019 consensus). Counts, the nocturnal share (00:00–06:00), and your most recent events.

Advanced Variability ?Deeper variability indices for power users — see each tile's own (?) for what it measures.

Not a medical device. These metrics are estimates for personal insight, not a basis for treatment decisions.

Data coverage

Every day that has readings — confirm your history imported, and spot the gaps.

Calendar

By day

Settings

Manage data sources, devices and display preferences.

CGM connections

Pull readings automatically from your CGM cloud. Credentials are encrypted at rest and synced every minute.

    Devices & tokens

    Create a token for an uploader (xDrip+, Loop, AndroidAPS, Trio) or a follower app. Shown once — copy it now. Tokens travel in headers only.

      Display & targets

      Your target range shades the in-range band on the glucose chart and labels in-range time.

      Display unit

      Import history

      Import a LibreView or Dexcom Clarity CSV export — the format is detected automatically. In LibreView: account menu → Download glucose data. In Dexcom Clarity: Export → Export data (CSV). Readings are added to your history and de-duplicated, so re-importing the same file is safe. Timestamps are read in your device's current timezone.