Daily Report — 2026-09-02

Sleep & CPAP Report — 2026-09-02

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Summary Table — Night of 2026-09-02

Metric Value
Sleep start 2026-09-02 22:49:16-05:00
Time in bed 362.8 min (6h 3m)
Total sleep 357.3 min (5h 57m)
Sleep efficiency 98.5%
Awake time 5.5 min
Core (N1+N2) sleep 215.3 min / 60.2%
Deep (N3) sleep 72.8 min / 20.4%
REM 69.2 min / 19.4%
CPAP usage hours 6.12
Session count 1
AHI 0.98
RDI 0.98
Obstructive apneas (OA) 5
Hypopneas (H) 1
Central apneas (CA) 0
Unclassified apneas (UA) 0
RERA 0
Pressure avg 7.64 cmHâ‚‚O
Pressure min 4.00 cmHâ‚‚O
Pressure 90th 9.90 cmHâ‚‚O
Pressure max 11.44 cmHâ‚‚O
Leak avg 0.87 L/min
Leak 90th 2.4 L/min
Leak max 20.4 L/min
Flow-limit p95 0.09
Flow-limit min >0.10 12.4
Flow-limit min >0.20 1.8

Trailing Averages Comparison

Metric Tonight 7-day avg Δ vs 7d 30-day avg Δ vs 30d
AHI 0.98 2.23 -56% 1.94 -49%
OA count 5 11.14 -55% 9.03 -45%
H count 1 2.29 -56% 2.93 -66%
CA count 0 1.43 -100% 0.93 -100%
Leak_Avg (L/min) 0.87 0.81 +8% 0.82 +5%
Leak_90th (L/min) 2.4 2.57 -7% 2.52 -5%
Pressure_Avg 7.64 7.51 +2% 7.55 +1%
Pressure_90th 9.90 10.04 -1% 10.12 -2%
Usage hours 6.12 6.69 -9% 6.64 -8%
Deep sleep % 20.4 14.89 +5.5 pp 13.32 +7.1 pp
REM % 19.4 26.43 -7.1 pp 24.18 -4.8 pp
Awake min 5.5 7.00 -21% 13.01 -58%
Total sleep (min) 357 386.23 -7% 382.90 -7%

Week-over-Week Trend

Metric Recent 7d (08/27—09/02) Prior 7d (08/20—08/26) Direction
AHI 2.18 1.78 ↑ +22.7%
OA count 10.86 9.00 ↑ +20.6%
H count 2.29 2.57 ↓ -11.1%
CA count 1.29 0.57 ↑ +125.0%
Leak_Avg 0.83 0.63 ↑ +32.1%
Leak_90th 2.91 1.03 ↑ +183.3%
Pressure_Avg 7.59 7.40 ↑ +2.5%
Pressure_90th 10.11 9.98 ↑ +1.3%
Deep sleep % 15.23 12.43 ↑ +22.5%
REM % 24.73 24.92 ↓ -0.8%

Recent 10-Night Detail

Date AHI OA H CA Leak_Avg Leak_90th P_Avg Hours
2026-09-02 0.98 5 1 0 0.87 2.4 7.64 6.12
2026-09-01 1.82 8 4 0 0.91 2.4 7.60 6.58
2026-08-31 2.49 14 0 2 0.27 1.2 7.96 6.43
2026-08-30 1.29 8 0 1 1.71 7.2 8.00 6.98
2026-08-29 3.07 15 6 0 0.93 3.6 8.23 6.85
2026-08-28 2.43 12 1 3 0.28 0.0 6.08 6.58
2026-08-27 3.17 14 4 3 0.83 3.6 7.59 6.63
2026-08-26 1.33 7 1 1 0.72 0.0 7.09 6.77
2026-08-25 1.61 7 2 2 0.73 2.4 7.05 6.85
2026-08-24 1.81 9 3 0 0.37 0.0 6.64 6.63

Correlation Analysis (64 matched nights)

Pair the user r
AHI ↔ Deep sleep % +0.13 (weak positive)
AHI ↔ Awake minutes +0.07 (none)
Leak_Avg ↔ Deep sleep % -0.20 (weak negative)
Leak_Avg ↔ Awake minutes -0.05 (none)
Leak_90th ↔ Deep sleep % -0.24 (weak negative)
Leak_90th ↔ Awake minutes -0.06 (none)

High- vs low-leak bucket comparison (split at Leak_Avg median = 0.73 L/min):

Directional: low-leak nights average 1.15 pp more deep sleep. Leak_90th ↔ Deep-sleep correlation of -0.24 is the strongest signal in the matrix — weak but consistent with the split above.

Interpretation

AHI 0.98 lands below the 30-day mean of 1.94, and RDI 0.98 tracks it closely. Event mix skews obstructive (5 OA / 1 H / 0 CA / 0 RERA), in line with the recent pattern.

Mask fit was good — Leak_Avg 0.87, Leak_90th 2.4, Leak_Max 20.4. That sits +5% vs the 30d baseline of 0.82. Pressure averaged 7.64 cmH₂O with a 90th of 9.90 — above the recent 30d mean.

Sleep architecture: deep 20.4% (+7.1 pp vs 30d), REM 19.4% (-4.8 pp vs 30d), efficiency 98.5% with 5.5 min awake over 6h 3m in bed. Nothing in the architecture jumps out as unusual.

Week-over-week: AHI 2.18 vs prior 1.78 (up 22.7%); Leak 0.83 vs 0.63 (up 32.1%); Pressure 7.59 vs 7.40.

Watch items rolling forward: any second consecutive deep-sleep dip below 10%; leak elevation ≥ 1.91 L/min for 2+ nights; AHI streaks ≥ 3.30 for 3+ nights.

Subjectively: likely a good night — 5h 57m sleep, 5.5 min awake, efficiency 98.5%.

Caveats

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