Daily Report — 2026-09-01

Sleep & CPAP Report — 2026-09-01

🚩 Flags

Summary Table — Night of 2026-09-01

Metric Value
Sleep start 2026-09-01 23:16:28-05:00
Time in bed 386.9 min (6h 27m)
Total sleep 378.9 min (6h 19m)
Sleep efficiency 97.9%
Awake time 8.0 min
Core (N1+N2) sleep 191.2 min / 50.5%
Deep (N3) sleep 77.8 min / 20.5%
REM 109.9 min / 29.0%
CPAP usage hours 6.58
Session count 2
AHI 1.82
RDI 1.97
Obstructive apneas (OA) 8
Hypopneas (H) 4
Central apneas (CA) 0
Unclassified apneas (UA) 0
RERA 1
Pressure avg 7.60 cmHâ‚‚O
Pressure min 4.00 cmHâ‚‚O
Pressure 90th 10.48 cmHâ‚‚O
Pressure max 12.86 cmHâ‚‚O
Leak avg 0.91 L/min
Leak 90th 2.4 L/min
Leak max 18.0 L/min
Flow-limit p95 0.11
Flow-limit min >0.10 20.7
Flow-limit min >0.20 7.1

Trailing Averages Comparison

Metric Tonight 7-day avg Δ vs 7d 30-day avg Δ vs 30d
AHI 1.82 2.20 -17% 1.91 -5%
OA count 8 11.00 -27% 8.87 -10%
H count 4 2.00 +100% 2.90 +38%
CA count 0 1.71 -100% 0.97 -100%
Leak_Avg (L/min) 0.91 0.78 +16% 0.82 +11%
Leak_90th (L/min) 2.4 2.57 -7% 2.48 -3%
Pressure_Avg 7.60 7.43 +2% 7.55 +1%
Pressure_90th 10.48 9.84 +6% 10.11 +4%
Usage hours 6.58 6.73 -2% 6.62 -1%
Deep sleep % 20.5 12.90 +7.6 pp 13.11 +7.4 pp
REM % 29.0 25.69 +3.3 pp 24.13 +4.9 pp
Awake min 8.0 7.29 +10% 12.89 -38%
Total sleep (min) 379 388.30 -2% 381.85 -1%

Week-over-Week Trend

Metric Recent 7d (08/26—09/01) Prior 7d (08/19—08/25) Direction
AHI 2.23 1.90 ↑ +17.3%
OA count 11.14 9.43 ↑ +18.2%
H count 2.29 3.14 ↓ -27.3%
CA count 1.43 0.43 ↑ +233.3%
Leak_Avg 0.81 0.80 ↑ +1.1%
Leak_90th 2.57 1.71 ↑ +50.0%
Pressure_Avg 7.51 7.55 ↓ -0.6%
Pressure_90th 10.04 10.11 ↓ -0.7%
Deep sleep % 14.89 12.22 ↑ +21.8%
REM % 26.43 23.90 ↑ +10.6%

Recent 10-Night Detail

Date AHI OA H CA Leak_Avg Leak_90th P_Avg Hours
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
2026-08-23 0.77 3 2 0 0.94 3.6 7.53 6.48

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 1.82 lands below the 30-day mean of 1.91, and RDI 1.97 tracks it closely. Event mix skews obstructive (8 OA / 4 H / 0 CA / 1 RERA), in line with the recent pattern.

Mask fit was good — Leak_Avg 0.91, Leak_90th 2.4, Leak_Max 18.0. That sits +11% vs the 30d baseline of 0.82. Pressure averaged 7.60 cmH₂O with a 90th of 10.48 — above the recent 30d mean.

Sleep architecture: deep 20.5% (+7.4 pp vs 30d), REM 29.0% (+4.9 pp vs 30d), efficiency 97.9% with 8.0 min awake over 6h 27m in bed. REM is running notably high tonight.

Week-over-week: AHI 2.23 vs prior 1.90 (up 17.3%); Leak 0.81 vs 0.80 (up 1.1%); Pressure 7.51 vs 7.55.

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 — 6h 19m sleep, 8.0 min awake, efficiency 97.9%.

Caveats

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