From the SomniCharts Learn library · SleepyHead was discontinued in 2019 and became OSCAR. Learn your options for reading CPAP SD-card data today, including a simpler cloud route. Read the full article → https://www.somnicharts.com/learn/sleepyhead-discontinued-alternative Related reading: CPAP Data Tools & Apps, OSCAR CPAP Software Guide — and the Easier Cloud Alternative, OSCAR Alternatives: Best Web-Based CPAP Analysis Tools (2026), Online CPAP Data Analyzer: Upload Your SD Card and Understand Your Night, How to Download CPAP Data from Your SD Card (ResMed, Philips, Löwenstein, BMC, Hoffrichter) Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · In-lab polysomnography vs a home sleep apnea test: which you need, when PSG is required, and how titration sets your CPAP pressure. Read the full article → https://www.somnicharts.com/learn/sleep-study-psg-vs-home-test Related reading: Understanding Sleep Apnea, What Is Sleep Apnea? Types, AHI, and Severity Explained, AHI vs RDI: Why Two Numbers Measure Your Sleep Apnea, APAP vs CPAP vs BiPAP: Machine Modes and the Data Each Produces, CPAP 95th-Percentile vs Median Pressure: What the Numbers Mean Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · Loud snoring, gasping, morning headaches, and daytime sleepiness can all signal sleep apnea. Learn the warning signs and when to get evaluated. Read the full article → https://www.somnicharts.com/learn/sleep-apnea-symptoms Related reading: Understanding Sleep Apnea, What Is Sleep Apnea? Types, AHI, and Severity Explained, Who Gets Sleep Apnea? Risk Factors You Can and Can't Change, When to See a Doctor About Snoring or Suspected Sleep Apnea, Sleep Study: In-Lab PSG vs Home Test (and How It Sets Your Pressure) Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · Excess weight, male sex, age, family history, and nasal congestion all raise sleep apnea risk. Learn the factors you can change and the ones you can't. Read the full article → https://www.somnicharts.com/learn/sleep-apnea-risk-factors Related reading: Understanding Sleep Apnea, Sleep Apnea Symptoms: Signs You Might Need a CPAP, What Is Sleep Apnea? Types, AHI, and Severity Explained, Untreated Sleep Apnea Risks: Why the Numbers Matter, Sleep Apnea and Your Heart: Hypertension, AFib, Stroke & Diabetes Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · Sleep apnea is linked to high blood pressure, atrial fibrillation, stroke, and type 2 diabetes. Learn the heart connection and when to get screened. Read the full article → https://www.somnicharts.com/learn/sleep-apnea-heart-cardiovascular-risk Related reading: Understanding Sleep Apnea, Untreated Sleep Apnea Risks: Why the Numbers Matter, Cheyne-Stokes Respiration & Periodic Breathing: The Heart Connection, What Is Sleep Apnea? Types, AHI, and Severity Explained, Who Gets Sleep Apnea? Risk Factors You Can and Can't Change Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · EPR, ramp, and climate control explained — and how your data proves whether your comfort settings are actually being delivered. Read the full article → https://www.somnicharts.com/learn/resmed-epr-ramp-comfort-settings Related reading: CPAP Machines & Devices, ResMed AirSense 11 Data: What Your SD Card Holds (and myAir Hides), CPAP 95th-Percentile vs Median Pressure: What the Numbers Mean, CPAP Ramp and EPR Explained: Comfort Settings in Your Data, APAP vs CPAP vs BiPAP: Machine Modes and the Data Each Produces Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · RERAs and flow-limited breaths fragment sleep without counting toward AHI. Learn what a RERA is and why an AHI of 0 doesn't always mean restful sleep. Read the full article → https://www.somnicharts.com/learn/rera-flow-limitation-events Related reading: Understanding Sleep Apnea, CPAP Event Types Decoded: Obstructive, Central, Hypopnea & RERA, CPAP Flow Limitation: The Hidden Metric Beyond AHI, UARS (Upper Airway Resistance Syndrome): The Diagnosis Your AHI Misses, AHI vs RDI: Why Two Numbers Measure Your Sleep Apnea Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · A factual overview of the 2021 Philips foam recall, the silicone replacement, the DreamStation 2 safety notice, and what each means for your data. Read the full article → https://www.somnicharts.com/learn/philips-recall-explained Related reading: CPAP Machines & Devices, Philips DreamStation 1 & System One: SD Card Data and How to Read It, Philips DreamStation 2: Why Its Data Is Encrypted and Your Options, Switching CPAP Brands? Keep Your Data History Across Vendors, myAir & DreamMapper Limitations: Why Your CPAP App Isn't Enough Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · Periodic breathing and Cheyne-Stokes show up as a crescendo-decrescendo pattern. Learn what the CPAP flag means and why it needs a doctor's review. Read the full article → https://www.somnicharts.com/learn/periodic-breathing-cheyne-stokes Related reading: Reading Your CPAP Data, Central vs Obstructive Apnea: What 'Clear Airway' (CA) Events Mean, Cheyne-Stokes Respiration & Periodic Breathing: The Heart Connection, Central Apneas Showing Up on CPAP: Treatment-Emergent CSA Explained, How to Read the CPAP Flow Rate Waveform (Flat-Top Breaths) Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · A factual device-support matrix for OSCAR, SleepHQ, and SomniCharts — ResMed, Philips DS2, Löwenstein, BMC Luna G3X, Hoffrichter, Fisher & Paykel. Read the full article → https://www.somnicharts.com/learn/oscar-sleephq-somnicharts-support-matrix Related reading: CPAP Data Tools & Apps, OSCAR Alternatives: Best Web-Based CPAP Analysis Tools (2026), SomniCharts vs SleepHQ: Cloud CPAP Reporting Compared, Philips DreamStation 2: Why Its Data Is Encrypted and Your Options, Löwenstein Prisma CPAP Data: How to Read the Under-Served Brand Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · OSCAR is the free, powerful desktop CPAP analyzer — with real friction. Learn what it does, its limits, and the no-install cloud alternative. Read the full article → https://www.somnicharts.com/learn/oscar-cpap-software-guide Related reading: CPAP Data Tools & Apps, OSCAR Alternatives: Best Web-Based CPAP Analysis Tools (2026), How to Read OSCAR Charts in Plain English (AHI, Leaks, Pressure), SleepyHead Is Gone — What to Use Now to Read Your SD Card, Online CPAP Data Analyzer: Upload Your SD Card and Understand Your Night Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · Installed OSCAR and stuck on the charts? Learn to read the daily view — AHI, leaks, pressure, flow rate — or let an AI analyzer read it for you. Read the full article → https://www.somnicharts.com/learn/oscar-charts-plain-english Related reading: CPAP Data Tools & Apps, OSCAR CPAP Software Guide — and the Easier Cloud Alternative, How to Read the CPAP Flow Rate Waveform (Flat-Top Breaths), CPAP Leak Rate: What's Acceptable and How to Fix High Leaks, How to Read Your CPAP Data: A Plain-English Guide to AHI, Leak Rate & Pressure Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · Compare web-based OSCAR alternatives — SleepHQ, AirwayLab, and SomniCharts — on device support, waveforms, pricing, and plain-language interpretation. Read the full article → https://www.somnicharts.com/learn/oscar-alternatives-web-based Related reading: CPAP Data Tools & Apps, OSCAR CPAP Software Guide — and the Easier Cloud Alternative, SomniCharts vs SleepHQ: Cloud CPAP Reporting Compared, Online CPAP Data Analyzer: Upload Your SD Card and Understand Your Night, OSCAR vs SleepHQ vs SomniCharts: Which Tool Reads Which Machine Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · Upload your CPAP SD-card data and get a plain-language read of your night — no desktop install, across ResMed, Philips, Löwenstein, BMC, and Hoffrichter. Read the full article → https://www.somnicharts.com/learn/online-cpap-data-analyzer Related reading: CPAP Data Tools & Apps, How to Read Your CPAP Data: A Plain-English Guide to AHI, Leak Rate & Pressure, How to Download CPAP Data from Your SD Card (ResMed, Philips, Löwenstein, BMC, Hoffrichter), OSCAR Alternatives: Best Web-Based CPAP Analysis Tools (2026), SomniCharts vs SleepHQ: Cloud CPAP Reporting Compared Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · Obstructive, central, and mixed sleep apnea explained: airway collapse vs absent breathing signal vs both — and what your device data can tell you. Read the full article → https://www.somnicharts.com/learn/obstructive-vs-central-vs-mixed-apnea Related reading: Understanding Sleep Apnea, What Is Sleep Apnea? Types, AHI, and Severity Explained, Central Apneas Showing Up on CPAP: Treatment-Emergent CSA Explained, CPAP Event Types Decoded: Obstructive, Central, Hypopnea & RERA, Cheyne-Stokes Respiration & Periodic Breathing: The Heart Connection Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · The myAir score is 0-100 but mostly usage hours — and it hides leak, flow limitation, and event-type detail. Learn what the score means and what it omits. Read the full article → https://www.somnicharts.com/learn/myair-score-explained Related reading: CPAP Data Tools & Apps, ResMed AirSense 11 Data: What Your SD Card Holds (and myAir Hides), myAir & DreamMapper Limitations: Why Your CPAP App Isn't Enough, CPAP Flow Limitation: The Hidden Metric Beyond AHI, CPAP Event Types Decoded: Obstructive, Central, Hypopnea & RERA Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · Mask-off and large-leak periods create gaps and unreliable AHI in your report. Learn why machines can't score events through a big leak. Read the full article → https://www.somnicharts.com/learn/mask-off-large-leak-events Related reading: Troubleshooting & Optimizing CPAP, CPAP Mask Leaks & Mouth Leak: Causes, the Data Threshold, and Fixes, CPAP Leak Rate: What's Acceptable and How to Fix High Leaks, Why Is My AHI High on CPAP? Causes and How to Find Yours, Why Does My AHI Change Night to Night? Normal Variation Explained Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · Löwenstein prisma (SMART, 20A, CPAP, 30ST, CR) data access explained — the brand almost no consumer tool reads well, except SomniCharts. Read the full article → https://www.somnicharts.com/learn/lowenstein-prisma-data-guide Related reading: CPAP Machines & Devices, APAP vs CPAP vs BiPAP: Machine Modes and the Data Each Produces, OSCAR vs SleepHQ vs SomniCharts: Which Tool Reads Which Machine, Switching CPAP Brands? Keep Your Data History Across Vendors, How to Read Your CPAP Data: A Plain-English Guide to AHI, Leak Rate & Pressure Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · A beginner's guide to reading your CPAP data: AHI, leak rate, 95th-percentile pressure, and usage hours explained in plain English. Read the full article → https://www.somnicharts.com/learn/how-to-read-cpap-data Related reading: Reading Your CPAP Data, What Is a Good AHI on CPAP? AHI Ranges and Residual AHI Explained, CPAP Leak Rate: What's Acceptable and How to Fix High Leaks, CPAP 95th-Percentile vs Median Pressure: What the Numbers Mean, CPAP Event Types Decoded: Obstructive, Central, Hypopnea & RERA Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.

From the SomniCharts Learn library · Mask and mouth leaks ruin comfort and corrupt your AHI. Learn the leak thresholds, why a low AHI can be a lie, and how to fix common leaks. Read the full article → https://www.somnicharts.com/learn/how-to-fix-cpap-mask-leaks Related reading: Troubleshooting & Optimizing CPAP, CPAP Leak Rate: What's Acceptable and How to Fix High Leaks, Mask Off & Large-Leak Events: Why Your CPAP Report Shows Gaps, CPAP Dry Mouth and Mouth Breathing: How to Stop It Tonight, CPAP Mask Types and Fit: Nasal, Pillow, and Full-Face Compared Start the discussion below — questions, experiences, corrections welcome. Nothing here is medical advice.