What a sleep score represents
Sleep scores combine multiple sleep signals such as sleep duration, sleep stages and movement during the night.
The goal of the score is to give a quick overview of how restorative your sleep was.
Typical sleep score ranges
- 90–100 — excellent sleep
- 80–89 — good sleep
- 70–79 — moderate sleep
- Below 70 — potentially poor sleep
See the Sleep Score Chart for more details.
How wearables calculate sleep scores
Most wearables combine signals such as heart rate, motion and sleep stage estimates to calculate sleep scores.
Learn more about sleep metrics.
What the Value Means in Practice
The meaning of Sleep Score always depends on context. A good value is not simply “high” or “low,” but appropriate for your situation.
How to Interpret the Value
Useful questions include:
- What does the trend look like across several days?
- Does the value fit your sleep and recovery data?
- Was there stress, alcohol, illness or hard training?
- Is the value far from your personal baseline?
Useful Internal Links
Recommended SLEEP Trackers
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Health Metrics
Overview of wearable health metrics including HRV, VO2max, sleep and recovery.
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Related Charts
Body Battery Chart
Body Battery charts show how wearable devices estimate energy, recovery and stress patterns during the day.
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HRV Chart – Typical Heart Rate Variability Ranges
HRV trends show recovery and stress patterns over time.
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Recovery Score Chart
Recovery score charts show how wearables combine HRV, sleep and stress signals into one readiness value.
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Sleep Score Chart – Sleep Quality Explained
Sleep score charts show typical score ranges and help interpret wearable sleep quality estimates.
View Chart →
Sleep Efficiency Chart
Sleep efficiency charts show how much of your time in bed is spent sleeping and help interpret sleep continuity.
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Sleep Stages Chart
Sleep stages charts show how sleep cycles are distributed between light sleep, deep sleep and REM sleep.
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