Sleep Quality Analysis Reports
Detailed analysis summaries for each subject including session statistics, event detection, frequency analysis, and automated insights.
Subject 1 Sleep Analysis Report
Total Sessions
4
Data Points
1,908
Overall Assessment
😊 Good
Session Comparison
📊 Baseline
- Mean BPM: 70.4
- Mean SpO₂: 97.4%
- HRV: 41.1 ms
- Total Motion: 2553.0
- Movement Bursts: 46
💤 Sleep Session 1
- Mean BPM: 65.6 (-6.9%)
- Mean SpO₂: 96.8%
- HRV: 50.8 ms (+23.4%)
- Total Motion: 3006.6
- SpO₂ Dips: 41
💤 Sleep Session 2
- Mean BPM: 64.6 (-8.3%)
- Mean SpO₂: 96.8%
- HRV: 46.7 ms (+13.6%)
- Total Motion: 2621.2
- SpO₂ Dips: 47
💤 Sleep Session 3
- Mean BPM: 63.7 (-9.6%)
- Mean SpO₂: 97.0%
- HRV: 41.2 ms (+0.1%)
- Total Motion: 3700.5
- SpO₂ Dips: 51
Automated Insights
✅ Heart rate decreased by 5.8 BPM during sleep, indicating good relaxation.
✅ HRV improved by 5.1 ms during sleep, indicating better autonomic regulation.
⚠️ Movement increased by 556.4 units during sleep, indicating restless sleep.
Event Detection Summary
Total Movement Episodes
193
SpO₂ Dip Events
139
Low HRV Periods
78
Subject 2 Sleep Analysis Report
Total Sessions
4
Data Points
1,872
Overall Assessment
😊 Good
Session Comparison
📊 Baseline
- Mean BPM: 71.4
- Mean SpO₂: 97.5%
- HRV: 44.4 ms
- Total Motion: 3788.4
- Movement Bursts: 76
💤 Sleep Session 1
- Mean BPM: 60.2 (-15.7%)
- Mean SpO₂: 97.0%
- HRV: 4.6 ms (-89.6%)
- Total Motion: 3535.5
- SpO₂ Dips: 43
💤 Sleep Session 2
- Mean BPM: 60.1 (-15.9%)
- Mean SpO₂: 96.8%
- HRV: 3.0 ms (-93.3%)
- Total Motion: 2887.6
- SpO₂ Dips: 47
💤 Sleep Session 3
- Mean BPM: 60.2 (-15.7%)
- Mean SpO₂: 97.2%
- HRV: 6.5 ms (-85.4%)
- Total Motion: 2027.4
- SpO₂ Dips: 17
Automated Insights
✅ Heart rate decreased by 11.2 BPM during sleep, indicating excellent relaxation.
⚠️ HRV decreased by 39.7 ms during sleep - may indicate stress or poor sleep quality.
✅ Movement decreased by 971.0 units during sleep, indicating restful sleep.
Event Detection Summary
Total Movement Episodes
216
SpO₂ Dip Events
107
Low HRV Periods
14
Subject 3 Sleep Analysis Report
Total Sessions
4
Data Points
1,844
Overall Assessment
😊 Good
Session Comparison
📊 Baseline
- Mean BPM: 75.2
- Mean SpO₂: 97.4%
- HRV: 37.3 ms
- Total Motion: 3673.1
- Movement Bursts: 76
💤 Sleep Session 1
- Mean BPM: 62.8 (-16.5%)
- Mean SpO₂: 96.9%
- HRV: 41.9 ms (+12.3%)
- Total Motion: 3032.9
- SpO₂ Dips: 44
💤 Sleep Session 2
- Mean BPM: 62.7 (-16.6%)
- Mean SpO₂: 97.0%
- HRV: 41.9 ms (+12.3%)
- Total Motion: 2450.9
- SpO₂ Dips: 32
💤 Sleep Session 3
- Mean BPM: 63.3 (-15.8%)
- Mean SpO₂: 97.1%
- HRV: 41.9 ms (+12.4%)
- Total Motion: 2401.8
- SpO₂ Dips: 11
Automated Insights
✅ Heart rate decreased by 12.3 BPM during sleep, indicating excellent relaxation.
✅ HRV improved by 4.6 ms during sleep, indicating better autonomic regulation.
✅ Movement decreased by 1044.5 units during sleep, indicating restful sleep.
Event Detection Summary
Total Movement Episodes
185
SpO₂ Dip Events
87
Low HRV Periods
38
Subject 4 Sleep Analysis Report
Total Sessions
4
Data Points
1,844
Overall Assessment
😊 Good
Session Comparison
📊 Baseline
- Mean BPM: 75.1
- Mean SpO₂: 97.2%
- HRV: 40.7 ms
- Total Motion: 6848.4
- Movement Bursts: 130
💤 Sleep Session 1
- Mean BPM: 63.3 (-15.8%)
- Mean SpO₂: 96.8%
- HRV: 40.5 ms (-0.5%)
- Total Motion: 4236.9
- SpO₂ Dips: 57
💤 Sleep Session 2
- Mean BPM: 63.2 (-15.9%)
- Mean SpO₂: 96.9%
- HRV: 40.6 ms (-0.1%)
- Total Motion: 3048.4
- SpO₂ Dips: 32
💤 Sleep Session 3
- Mean BPM: 63.4 (-15.5%)
- Mean SpO₂: 97.0%
- HRV: 40.5 ms (-0.6%)
- Total Motion: 2758.6
- SpO₂ Dips: 13
Automated Insights
✅ Heart rate decreased by 11.8 BPM during sleep, indicating excellent relaxation.
ℹ️ HRV remained stable (0.2 ms change) - consistent autonomic function.
✅ Movement decreased by 3500.0 units during sleep, indicating very restful sleep.
Event Detection Summary
Total Movement Episodes
321
SpO₂ Dip Events
102
Low HRV Periods
92
Overall Sleep Analysis Summary
Total Users
4
Total Sessions
16
Total Data Points
~7,500
Inter-User Comparison
🏆 Subject 1
- BPM Change: -8.3%
- HRV Change: +12.3%
- Motion Change: +21.8%
- Avg Sleep BPM: 64.6
- Avg Sleep SpO₂: 96.9%
🏆 Subject 2
- BPM Change: -15.7%
- HRV Change: -89.5%
- Motion Change: -25.6%
- Avg Sleep BPM: 60.2
- Avg Sleep SpO₂: 97.0%
🏆 Subject 3
- BPM Change: -16.4%
- HRV Change: +12.4%
- Motion Change: -28.4%
- Avg Sleep BPM: 62.9
- Avg Sleep SpO₂: 97.0%
🏆 Subject 4
- BPM Change: -15.7%
- HRV Change: -0.6%
- Motion Change: -51.1%
- Avg Sleep BPM: 63.3
- Avg Sleep SpO₂: 96.9%
Key Findings
Heart Rate: Average change of -15.7% from baseline to sleep sessions - indicating excellent relaxation response
Movement: Average change of -29.4% from baseline to sleep sessions - showing reduced restlessness
Oxygen Events: Total of 482 SpO₂ dip events detected across all users - monitoring recommended
Heart Rate Variability: Average change of -18.5% - varied responses across subjects
Performance Rankings
🥇 Deepest Sleeper
Subject 3
🌟 Most Restless
Subject 4
💪 Best Oxygen Stability
Subject 3
📈 Most Improvement
Subject 4
Total Event Detection
Movement Episodes
915
SpO₂ Dip Events
482
Low HRV Periods
222
Comparative Visualizations
📊 Multi-User Comparison
Side-by-side comparison of key metrics across all four subjects
🔥 Global Correlation Heatmap
Relationships between all biometric measurements across subjects
📈 Scatter Relationships
Pairwise relationships showing patterns in sleep data
📊 User Distributions
Statistical distribution of metrics for each subject
Technical Summary
Analysis Period: December 2025
Sampling Rate: ~15 second intervals
Data Source: ThingSpeak IoT Platform (Channel 3188672)
Signal Processing: Moving average smoothing, artifact removal, FFT analysis
Feature Extraction: HRV calculation, peak detection, frequency analysis