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SleepScore
0–100 sleep quality score with a simple rating.
Eight hours in bed with frequent wake-ups and a long time to fall asleep is very different from eight uninterrupted hours — this score factors in disruptions, not just total time, for a fuller picture of sleep quality.
A single night's score matters less than the trend — watching the score shift as you change habits (screen time, caffeine timing, room temperature) is more useful than any one night's number.
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OpenUS Navy circumference method for body fat percentage.
OpenDaily hydration target based on weight, activity, and climate.
OpenSleep quality score
91 / 100
What you entered
Start at a perfect score
100= 100Penalty for short sleep
max(0, 8−7.5) × 8= −4.0Penalty for wake-ups
1 × 5= −5.0Penalty for slow sleep onset
max(0, 15−20) × 0.3= −0.0Clamp to 0–100
100 − 4.0 − 5.0 − 0.0= 91Result
Sleep quality score: 91 / 100
7.5h sleep with 1 wake-up and 15 min to fall asleep scores 91 / 100 — rated "Excellent".