December 4, 2025
O2 Ring
Nancy’s Account
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Sleep Overview
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Time Asleep
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7h 32m
Increased by 12m
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Dec 4th 7h 32m
Dec 3rd 7h 20m
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Awakenings
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18
Decreased by 3
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Dec 4th 18
Dec 3rd 21
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Time to Fall Asleep
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0m
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Dec 4th 0m
Dec 3rd 0m
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Bedtime
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9:37 pm
Increased by 36m
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Dec 4th 9:37 pm
Dec 3rd 9:01 pm
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Time Awake
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42m
Decreased by 21m
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Dec 4th 42m
Dec 3rd 1h 3m
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Time in REM
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2h 7m
Increased by 35m
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Dec 4th 2h 7m
Dec 3rd 1h 32m
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Time in Core
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4h 25m
Decreased by 54m
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Dec 4th 4h 25m
Dec 3rd 5h 19m
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Time in Deep Sleep
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1h
Increased by 31m
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Dec 4th 1h
Dec 3rd 29m
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O2 Ring
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Average SpO2
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93.0
Decreased by 1.0
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Dec 4th 93.0
Dec 3rd 94.0
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O2 Score
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94
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Dec 4th 94
Dec 3rd 94
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Average HR
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66
Decreased by 2
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Dec 4th 66
Dec 3rd 68
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HR Range
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49 - 92
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O2 statistics
O2 Ring
O2 statistics Duration 7h 42m 33s Time < 90% 9m 13s Drops >= 3% 38 Drops >= 4% 8 Drops/hour 3% 4.93 Drops/hour 4% 1.04 Lowest SpO2 87% -
SpO2 Ranges
Time in each range, as a share of the night's recorded readings
SpO2 Ranges Range Time % 95% and above 1h 3m 29s 13.7% 90–94% 6h 29m 52s 84.3% 85–89% 9m 13s 2.0% 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