December 18, 2025
O2 Ring
Nancy’s Account
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Sleep Overview
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Time Asleep
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6h 45m
Decreased by 55m
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Dec 18th 6h 45m
Dec 17th 7h 40m
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Awakenings
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19
Increased by 2
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Dec 18th 19
Dec 17th 17
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Time to Fall Asleep
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1m
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Dec 18th 1m
Dec 17th 0m
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Bedtime
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9:34 pm
Increased by 39m
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Dec 18th 9:34 pm
Dec 17th 8:55 pm
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Time Awake
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1h 14m
Increased by 30m
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Dec 18th 1h 14m
Dec 17th 44m
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Time in REM
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1h 29m
Decreased by 32m
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Dec 18th 1h 29m
Dec 17th 2h
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Time in Core
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4h 9m
Decreased by 45m
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Dec 18th 4h 9m
Dec 17th 4h 54m
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Time in Deep Sleep
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1h 8m
Increased by 22m
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Dec 18th 1h 8m
Dec 17th 46m
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O2 Ring
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Average SpO2
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94.0
Increased by 1.0
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Dec 18th 94.0
Dec 17th 93.0
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O2 Score
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99
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Dec 18th 99
Dec 17th 99
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Average HR
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67
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Dec 18th 67
Dec 17th 67
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HR Range
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51 - 98
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O2 statistics
O2 Ring
O2 statistics Duration 8h 35m 55s Time < 90% 17s Drops >= 3% 10 Drops >= 4% 2 Drops/hour 3% 1.16 Drops/hour 4% 0.23 Lowest SpO2 86% -
SpO2 Ranges
Time in each range, as a share of the night's recorded readings
SpO2 Ranges Range Time % 95% and above 2h 35m 24s 30.1% 90–94% 6h 15s 69.8% 85–89% 17s 0.1% 80–84% 0s 0.0% 75–79% 0s 0.0% Below 75% 0s 0.0% -
SpO2Custom scale Data above scale Data below scale
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Pulse RateCustom scale Data above scale Data below scale
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MovementCustom scale Data above scale Data below scale
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Sleep Stage