December 20, 2025
O2 Ring
Nancy’s Account
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Sleep Overview
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Time Asleep
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6h 42m
Decreased by 1h 1m
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Dec 20th 6h 42m
Dec 19th 7h 43m
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Awakenings
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17
Decreased by 5
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Dec 20th 17
Dec 19th 22
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Time to Fall Asleep
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2m
Increased by 2m
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Dec 20th 2m
Dec 19th 0m
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Bedtime
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9:20 pm
Increased by 28m
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Dec 20th 9:20 pm
Dec 19th 8:53 pm
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Time Awake
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1h 9m
Increased by 19m
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Dec 20th 1h 9m
Dec 19th 51m
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Time in REM
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1h 33m
Decreased by 14m
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Dec 20th 1h 33m
Dec 19th 1h 47m
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Time in Core
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4h 39m
Decreased by 33m
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Dec 20th 4h 39m
Dec 19th 5h 11m
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Time in Deep Sleep
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31m
Decreased by 14m
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Dec 20th 31m
Dec 19th 45m
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O2 Ring
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Average SpO2
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94.0
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Dec 20th 94.0
Dec 18th 94.0
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O2 Score
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99
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Dec 20th 99
Dec 18th 99
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Average HR
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66
Decreased by 1
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Dec 20th 66
Dec 18th 67
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HR Range
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50 - 98
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O2 statistics
O2 Ring
O2 statistics Duration 8h 4m 2s Time < 90% 1s Drops >= 3% 9 Drops >= 4% 1 Drops/hour 3% 1.12 Drops/hour 4% 0.12 Lowest SpO2 89% -
SpO2 Ranges
Time in each range, as a share of the night's recorded readings
SpO2 Ranges Range Time % 95% and above 2h 9m 31s 26.8% 90–94% 5h 54m 31s 73.2% 85–89% 1s <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