Navigating the world of respiratory therapy can feel overwhelming, especially when you’re facing a long-term commitment to better breathing. If you’ve been prescribed BiPAP therapy, you’re likely searching for a reliable solution that delivers consistent results without breaking the bank over months or years. The term “value” becomes crucial here—it’s not just about the lowest upfront cost, but finding a machine that truly supports your health journey, minimizes hassles, and integrates smoothly into your daily life for the long haul. Choosing wisely means balancing performance, durability, and ongoing expenses to avoid costly replacements or ineffective treatment down the road.
Let’s be real: respiratory therapy isn’t a one-time purchase. It’s an investment in your nightly rest, daytime energy, and overall well-being. That’s why focusing solely on the sticker price can lead to frustration later—maybe through frequent repairs, incompatible accessories, or a machine that doesn’t adapt as your needs evolve. True value in a BiPAP machine lies in its ability to provide stable, comfortable therapy year after year while keeping hidden costs like replacement parts and electricity low. This guide cuts through the noise to help you identify what actually matters for sustainable, cost-effective therapy, so you can breathe easier knowing your choice supports both your lungs and your budget for the long term.
Top 10 BiPAP Machines
Detailed Product Reviews
1. REMSTAR Plus Portable Auto-C-Pap Machine with Humidifier for Effective Sleep Apnea Therapy at Home and Travel
Overview:
The REMSTAR Plus is an over-the-counter CPAP system targeting adult Obstructive Sleep Apnea (OSA). Designed for home and travel, it integrates a humidifier, mask, heated tube, power supply, and travel bag. Safety cautions emphasize avoiding water tank overfilling and proper placement below head level to prevent condensation issues.
What Makes It Stand Out:
Its standout feature is the heated tube with user-friendly connections, reducing condensation and ensuring comfortable airflow. The durable construction promotes longevity, while the easy detach-and-clean design simplifies hygiene maintenance. The portability and all-in-one kit eliminate the need for additional purchases.
Value for Money:
Positioned as a budget-friendly OTC solution, it delivers core CPAP therapy essentials without premium pricing. While lacking advanced smart features, the included humidifier and travel accessories offer solid value compared to bare-bones entry models.
Strengths and Weaknesses:
Strengths: Portable, integrated humidifier, heated tube prevents rainout, comprehensive starter kit. Weaknesses: No auto-pressure adjustment, basic functionality only, requires strict adherence to water-level safety rules.
Bottom Line:
Ideal for new OSA patients seeking a straightforward, portable OTC CPAP starter kit. Its reliability and included humidifier justify the cost, though tech-focused users may desire smarter features.
2. REMstar Plus System,Portable Auto Machine for Sleep Apnea,Travel Machine with Full Accessories&Travel Bag,Home and Travel Use
Overview:
This REMstar Plus variant is a professional-grade portable CPAP system tailored for adult OSA/OHS therapy at home or while traveling. It includes a full accessory kit (mask, SD card, travel bag) and emphasizes intelligent pressure management for personalized comfort.
What Makes It Stand Out:
Dual modes—Auto (real-time pressure adjustment) and Fixed Pressure—coupled with a 5-level humidifier and anti-backflow safety features set it apart. The 0–60 min ramp time, leak compensation, and quiet operation (<30dB) enhance usability, while the SD card enables sleep data tracking.
Value for Money:
Despite a higher price than basic models, its auto-adjusting intelligence, safety protections, and data-tracking SD card deliver exceptional value. It rivals prescription devices at an OTC cost, making it a cost-effective long-term investment.
Strengths and Weaknesses:
Strengths: Auto-pressure adjustment, customizable humidification, ultra-quiet, SD card analytics, travel-ready. Weaknesses: Distilled water required, complex settings may overwhelm beginners, humidifier level “0” needed when empty.
Bottom Line:
Highly recommended for travelers or users prioritizing adaptive therapy. Its smart features and safety design justify the cost, offering near-clinical performance without a prescription.
3. REMstar Plus CPAP System- cpap Machine, cpap Machine for Sleep apnea, Travel cpap Machine, Home use
Overview:
A streamlined OTC CPAP solution exclusively for adult OSA, emphasizing portability for home and travel. This model focuses on simplicity, with a compact design and single-patient use compliance, though technical details are minimal in its description.
What Makes It Stand Out:
Its ultra-portable form factor is the primary highlight, easily fitting into luggage. The user manual stresses material durability and skin-friendly comfort, positioning it as a reliable travel companion for consistent therapy on the go.
Value for Money:
As a no-frills travel CPAP, it’s competitively priced for users prioritizing size over features. However, the lack of humidifier specs or smart modes reduces value compared to feature-rich alternatives at similar price points.
Strengths and Weaknesses:
Strengths: Extremely compact, lightweight, durable materials, simple operation. Weaknesses: Vague feature details, no humidifier customization, lacks data tracking or pressure adjustment, basic cleaning instructions only.
Bottom Line:
Suitable for occasional travelers needing a bare-minimum CPAP, but less compelling for daily users. Opt for models with humidifiers or auto-modes if budget allows.
4. REMSTAR Plus CPAP System - Portable Auto CPAP Machine with Humidifier for Sleep Apnea,Ues for Home and Travel
Overview:
This REMSTAR Plus iteration reiterates its role as an OTC CPAP device for adult OSA, stressing home/travel use. The package includes a humidifier-integrated device, mask, tube, power supply, and travel bag, with repeated safety notes against water tank overfilling.
What Makes It Stand Out:
Like Product 1, it highlights the heated tube’s condensation control and portability. Key differentiators are explicit usage instructions: placing the device below head level and emptying the tank before transport—critical for leak prevention.
Value for Money:
Offers comparable value to Product 1 but lacks Product 2’s advanced features. The humidifier inclusion justifies a mid-tier price, though identical core functionality to cheaper basic models may limit appeal.
Strengths and Weaknesses:
Strengths: Integrated humidifier, travel-friendly, clear safety guidelines, heated tube. Weaknesses: Redundant features vs. competitors, no pressure customization, manual cleaning required (no dishwasher-safe parts).
Bottom Line:
A functional entry-level humidified CPAP, but Product 2’s intelligence makes it a stronger buy. Choose this only if simplicity and portability outweigh smart features.
5. resplabs CPAP Mask Wipes Unscented Cleaner for Full Face, Nasal Masks & Supplies 110 Wipes
Overview:
resplabs’ 110-count unscented wipes deliver a 90-day CPAP hygiene solution. Formulated specifically for masks, tubes, and headgear, they promise gentle yet effective cleaning to maintain equipment safety and user comfort without harsh fragrances.
What Makes It Stand Out:
The unscented formula prioritizes skin sensitivity and equipment safety, avoiding residue that could degrade silicone. Each wipe cleans masks in minutes, eliminating rinsing or drying steps—a major convenience over liquid cleaners. The 110-wipe count ensures consistent 90-day use.
Value for Money:
At $15–$20, it’s cost-competitive with liquid cleaners but saves significant time. The no-rinse convenience and focus on CPAP-specific materials justify the price, especially for travelers or busy users.
Strengths and Weaknesses:
Strengths: Time-efficient, equipment-safe, unscented, travel-friendly, extends mask lifespan. Weaknesses: Less effective on heavy buildup vs. deep soaks, single-use packaging creates waste, not a replacement for weekly deep cleans.
Bottom Line:
Essential for daily CPAP hygiene maintenance. Highly recommended for its ease of use and reliability, though pair with occasional deep cleaning for optimal results.
6. Ruvell Veterinary Auto Sleepnea Device, English Version, All Accessories Included-DS6-3
Overview:
This product appears to be mislabeled or incorrectly categorized, as it references veterinary use (“Veterinary Auto Sleepnea Device”) but lists no features or context for human CPAP therapy. The title suggests it may be intended for animal sleep apnea treatment, yet the “English Version” and accessory claims create confusion for human medical device buyers.
What Makes It Stand Out:
No verifiable unique features can be assessed due to absent specifications. The inclusion of “all accessories” is noted, but without clarity on contents or veterinary applicability, this offers no tangible differentiation. The product lacks transparency critical for medical equipment evaluation.
Value for Money:
Pricing cannot be justified or compared without feature details, intended use case, or compatibility information. Potential buyers risk purchasing an irrelevant or non-functional item for human CPAP therapy, making it poor value given the ambiguity.
Strengths and Weaknesses:
Strengths: None identifiable.
Weaknesses: Critical lack of feature descriptions; misleading title for human CPAP users; unverified veterinary application; no safety or efficacy data provided.
Bottom Line:
Avoid this product for human sleep therapy due to severe informational gaps and likely misclassification. Consult a healthcare provider for validated CPAP devices.
7. NITTIID 2 Pack CPAP Hose Holder for Bed, CPAP Hose Hanger for Tube & Mask with Anti-Unhook Feature Hose Organizer Avoids Hose Tangle and Help You Sleep Better CPAP Hook with Free Strips
Overview:
This dual-pack hose organizer uses wall-mounted hooks to prevent CPAP tube displacement during sleep. It targets common frustrations like tangled hoses, accidental disconnections, and cluttered bedside setups with a focus on non-invasive installation.
What Makes It Stand Out:
The triple-hook design uniquely accommodates masks, oxygen hoses, and nebulizers simultaneously—unlike single-hook competitors. The anti-unhook feature actively prevents tube slippage during movement, while nano-tape installation avoids wall damage. High-strength ABS construction ensures durability without compromising hygiene.
Value for Money:
Priced competitively for a 2-pack bundle, it eliminates costly mask replacements from overnight dislodgement. Free nano tape adds immediate savings versus adhesive alternatives, and its longevity outperforms flimsy plastic hooks, justifying the investment for consistent sleep therapy.
Strengths and Weaknesses:
Strengths: Triple-hook versatility; tangle-free sleep; tool-free nano-tape installation; pet-safe elevation; wall-friendly mounting.
Weaknesses: Limited weight capacity for heavy tubing; nano tape may lose adhesion on textured walls; no portability for travel.
Bottom Line:
A practical, affordable solution for bedside CPAP organization that enhances therapy consistency. Highly recommended for home use despite minor wall-surface limitations.
8. CPAP Mask Wipes - 150 Count Jumbo Pack + 6 Travel Sheets - Dura Cleanse Extra Large, Extra Moist Cleaning Wipes for Full Face, Nasal Masks Unscented Cleaner for CPAP Machine, Supplies and Accessories
Overview:
These alcohol-free, pre-moistened wipes offer a streamlined cleaning solution for CPAP masks and tubing, eliminating daily soap-and-water routines. Designed for sensitive skin, they prioritize gentle yet effective sanitation to maintain equipment hygiene.
What Makes It Stand Out:
The 30% viscose/70% polyester nonwoven fabric prevents lint residue on silicone components—a key flaw in cheaper wipes. Aloe vera infusion soothes skin without drying, while the travel-friendly flat-pack (with 6 bonus sheets) outperforms bulky canisters. The 150-count supply covers five months of daily use.
Value for Money:
At cost-per-wipe parity with standard cleaners, the jumbo pack reduces long-term expenses. Avoiding vinegar rinses extends mask lifespan by 20–30%, and the travel sheets add unexpected portability value unmatched in this price tier.
Strengths and Weaknesses:
Strengths: Zero-residue fabric; skin-safe formula; 5-month supply; compact travel design; preserves mask seal integrity.
Weaknesses: Not for deep-cleaning mold; requires separate filter/tubing maintenance; flip-top lid may weaken over time.
Bottom Line:
An essential hygiene upgrade for CPAP users seeking convenience and skin comfort. Ideal for daily maintenance but pair with weekly deep cleans for optimal results.
9. Universal Remsed CPAP Filter for ResMed AirSense 10 (40 Packs), ResMed AirCurve 10, ResMed S9, AirStart, Series CPAP Machines
Overview:
This 40-pack of replacement filters ensures compatibility across major ResMed CPAP models (AirSense 10, AirCurve 10, S9), using multi-layer filtration to protect machines from airborne contaminants and extend device longevity.
What Makes It Stand Out:
The five-layer ultra-fine fiber construction captures dust, pollen, and microscopic particles more effectively than standard single-layer filters. Precision sizing (2 1/8" x 1 7/16") guarantees seamless integration with ResMed units, while the 90-day satisfaction guarantee reduces purchase risk.
Value for Money:
Costing less per filter than OEM alternatives, this pack covers a full year of bi-weekly replacements. Preventing internal machine damage from debris avoids costly repairs, making it indispensable for maintaining therapy efficacy and device lifespan.
Strengths and Weaknesses:
Strengths: Universal ResMed compatibility; superior 5-layer filtration; machine-protection focus; 90-day warranty; economical bulk pricing.
Weaknesses: Not HEPA-certified; requires frequent replacement in dusty environments; no humidifier compatibility noted.
Bottom Line:
A non-negotiable maintenance item for ResMed CPAP users. Prioritize these over generic filters to safeguard your machine’s performance and air quality.
10. Elviros Cervical Neck Pillow for Neck Pain Relief, CPAP Pillow for Side, Back & Stomach Sleepers, Ergonomic Orthopedic Pillow for CPAP Users to Reduce Air Leaks and Mask Pressure, Dark Grey
Overview:
This orthopedic pillow merges cervical support with CPAP-specific design, featuring a contoured cutout for tubing and dual-density foam to minimize mask leaks while aligning the spine for pain relief across all sleep positions.
What Makes It Stand Out:
The adjustable height system (via 0.8-inch spacers) and two firmness inserts cater to personalized comfort—unique in CPAP pillows. The nylon-spandex cover combats heat retention, and the tubing channel actively reduces facial pressure points that cause air leaks, a critical pain point for users.
Value for Money:
Though pricier than flat pillows, it replaces multiple specialty products (neck pillow + CPAP pillow). The spacer system extends usability for years as needs change, and reduced mask replacement from proper alignment offers hidden savings.
Strengths and Weaknesses:
Strengths: Customizable height/firmness; leak-reducing tubing channel; cooling fabric; multi-position support; durable memory foam.
Weaknesses: Bulky for travel; initial foam odor; cutout may feel restrictive for stomach sleepers.
Bottom Line:
A top-tier investment for CPAP users with neck pain. The adjustability and leak-prevention features justify the cost for uninterrupted, therapeutic sleep.
Understanding What “Value” Really Means for Long-Term BiPAP Therapy
When we talk about “value” in BiPAP machines, it extends far beyond the initial purchase price. It encompasses the total cost of ownership over several years, including durability, energy efficiency, ease of maintenance, and how well the device meets your specific therapy needs without requiring constant adjustments or additional purchases. A machine that seems affordable upfront might end up costing significantly more if it breaks down frequently, consumes excessive power, or lacks essential features that prevent you from sticking with your therapy.
The Longevity Factor: Why Durability Trumps Initial Savings
A BiPAP machine designed for longevity is a cornerstone of true value. Look for units built with high-quality internal components and robust housings that can withstand daily use, travel, and the occasional bump. Machines prone to early failure not only disrupt your therapy but also lead to unexpected replacement costs and potential gaps in treatment. Investing in a model known for reliable construction, often indicated by longer warranty periods and positive long-term user feedback, pays off by minimizing the need for repairs or premature replacement over a 5-10 year period.
Efficiency Beyond Therapy: Considering Operational Costs
The cost of running your BiPAP nightly adds up over time. Energy-efficient models consume less electricity, which is especially important if you use the machine year-round or travel frequently where power sources might be limited. Additionally, consider water usage if you rely on a humidifier—some systems are designed to minimize evaporation, reducing how often you need to refill the chamber. Factoring in these subtle operational costs gives a clearer picture of the machine’s real-world affordability over years of use.
Adaptability: Future-Proofing Your Therapy Investment
Your respiratory needs might change over time due to health conditions, weight fluctuations, or aging. A truly valuable BiPAP machine offers flexibility. This could mean adjustable pressure settings that accommodate evolving prescriptions, compatibility with various mask types and humidifiers, or firmware that can be updated to enhance functionality. Choosing a device with built-in adaptability ensures it remains effective and relevant throughout your therapy journey, eliminating the need for an early, costly upgrade.
Essential Features That Contribute to Long-Term Value
Not all BiPAP features are created equal when considering long-term use. Prioritizing certain functionalities can significantly enhance therapy adherence, comfort, and the machine’s overall lifespan, directly impacting its value proposition for extended treatment.
Intelligent Pressure Response: Smoothing the Breathing Curve
Advanced algorithms that precisely detect your inhalation and exhalation efforts, adjusting pressure seamlessly within each breath cycle, are non-negotiable for comfort and effectiveness. Poorly timed pressure shifts cause discomfort, mouth leaks, or difficulty exhaling, leading to therapy abandonment. Machines with responsive, smooth pressure transitions keep therapy comfortable night after night, ensuring you actually use the device consistently—a critical factor in long-term health outcomes and getting your money’s worth.
Integrated Humidification: Preventing Dryness and Discomfort
Chronic dryness in the nose, throat, or airways is a common reason people stop using their therapy. A built-in, properly functioning humidifier is essential for long-term comfort and adherence. Look for systems with heated tubes (climate control) that actively prevent “rainout” (condensation in the tube), adjustable humidity levels, and easy-to-clean chambers. Avoiding the need for separate, potentially incompatible humidifiers saves money and simplifies your setup for years.
Comprehensive Data Tracking and Connectivity
Understanding your therapy progress is vital. Machines that log detailed nightly data—like usage hours, leak rates, AHI (Apnea-Hypopnea Index), and pressure statistics—empower you and your healthcare provider to optimize settings and troubleshoot issues early. Wireless connectivity (Bluetooth or Wi-Fi) that automatically sends this data to secure portals or apps eliminates manual downloads, making long-term monitoring effortless and ensuring therapy remains effective without guesswork.
User-Friendly Interface and Maintenance Simplicity
A complex interface leads to frustration and incorrect settings. For long-term use, prioritize intuitive menus, clear displays (especially helpful for nighttime adjustments), and straightforward navigation. Equally important is ease of cleaning and maintenance. Removable, dishwasher-safe parts (like water chambers), accessible filters, and clear maintenance indicators reduce the time and hassle required to keep your machine functioning optimally, preventing neglect that shortens its lifespan.
Hidden Costs That Impact Long-Term Affordability
The upfront price is just the tip of the iceberg. Savvy buyers looking for genuine value must account for recurring expenses that accumulate significantly over years of therapy.
The Resupply Reality: Budgeting for Essential Consumables
BiPAP therapy requires regular replacement of specific components for hygiene and effectiveness. Masks, cushions, tubing, air filters, and water chambers all wear out. Factor in the cost and availability of these consumables before choosing a machine. Some systems use proprietary parts that are significantly more expensive or harder to source than standard alternatives. Planning for these ongoing costs—typically every 1-6 months—gives a realistic view of annual expenses.
Warranty Coverage Depth and Duration
A longer warranty period (e.g., 3-5 years vs. the standard 2) often signals manufacturer confidence in durability and provides crucial financial protection. Pay close attention to what the warranty covers—does it include the motor, electronics, and humidifier, or just specific parts? Comprehensive, extended warranties can save thousands in potential repair costs over the machine’s lifetime, making a slightly higher initial investment worthwhile.
Serviceability and Repair Network Accessibility
When (not if) a component fails outside the warranty period, how easy and affordable is it to get fixed? Machines designed with serviceability in mind, where common parts can be replaced without sending the entire unit back, are more cost-effective long-term. Research the availability and cost of authorized service centers or repair technicians in your area. A machine that’s cheap to buy but expensive and slow to repair loses value quickly.
Ensuring Reliability for Years of Consistent Therapy
Dependability isn’t a luxury; it’s a requirement when your health relies on nightly use. A machine that frequently malfunctions disrupts sleep, impacts health outcomes, and incurs hidden costs through stress and potential medical complications.
Rigorous Build Quality and Component Selection
Internal components matter immensely. Look for information (often in technical specs or reviews) about the quality of the air pump/motor and internal circuitry. Machines built with medical-grade, durable components undergo more rigorous testing for continuous operation. Avoid units known for weak motors that strain or fail prematurely under constant use—this is a fast track to replacing the entire device.
Environmental Resilience: Handling Real-World Conditions
Your BiPAP lives in your bedroom, which isn’t a controlled lab. Value-focused machines withstand typical home environments: moderate humidity, temperature fluctuations, and dust. Features like effective air filtration systems protect the internal mechanism. Consider if the machine will be used while traveling; resilience to altitude changes and minor bumps becomes even more critical for long-term reliability outside a stationary setting.
Proven Track Record and User Feedback Longevity
While new models emerge, sometimes the best indicator of long-term value is a model that’s been on the market for several years with a strong history of user satisfaction regarding durability. Seek out long-term user reviews (3+ years) specifically mentioning continued reliable performance. A machine with a proven decade-long track record, even if slightly older, often represents better value than a cutting-edge but unproven model.
Optimizing the User Experience for Sustainable Adherence
Therapy only works if you use it consistently. Features that enhance comfort, convenience, and peace of mind directly contribute to the long-term value by ensuring you stick with treatment.
Noise Level: The Silent Partner in Restful Sleep
A noisy machine is a major sleep disruptor for you and your partner. True value includes exceptionally quiet operation, measured in decibels (dB). Look for models specifically engineered for low noise, often achieved through advanced motor design and sound-dampening materials. Prioritizing whisper-quiet performance isn’t a luxury—it’s essential for nightly adherence over many years, protecting your sleep quality and relationships.
Portability and Travel-Friendliness as Long-Term Assets
Even if you don’t travel now, circumstances change. A machine that’s genuinely portable (lightweight, compact, with universal power input) offers flexibility for vacations, business trips, or even just moving it easily within your home. Built-in battery options (or compatibility with travel batteries) add significant convenience. This adaptability ensures your therapy remains uninterrupted for life, enhancing its long-term utility and value.
Frequently Asked Questions
Frequently Asked Questions
How does insurance impact the true value of a BiPAP machine? Insurance coverage significantly alters the out-of-pocket cost. Verify which specific machine models and features your plan covers before purchase. A higher-priced machine fully covered by insurance often represents far greater value than a cheaper model you pay for entirely yourself, especially when factoring in long-term costs.
Is a BiPAP always necessary, or could a CPAP offer better value? BiPAP is specifically prescribed for conditions requiring two distinct pressure levels (IPAP and EPAP), such as complex sleep apnea, COPD, or neuromuscular disorders. If your prescription requires BiPAP therapy, a CPAP won’t be effective, making it poor value regardless of cost. Always follow your healthcare provider’s prescription for the appropriate therapy type.
What is the typical lifespan of a quality BiPAP machine? With proper care and maintenance, a well-built BiPAP machine designed for long-term use typically lasts 5-7 years, and often longer (8-10+ years). Factors like usage hours, environmental conditions, and adherence to cleaning schedules significantly influence longevity. This lifespan is a critical component of calculating true value per year of use.
How loud is too loud for a BiPAP machine at night? Most modern, quality machines operate between 26-30 decibels on the lowest setting – comparable to a whisper or quiet library. If a machine consistently measures above 32 dB, it may become disruptive over time, potentially impacting sleep quality and adherence. Prioritize models consistently reviewed as very quiet.
Is a humidifier absolutely essential for long-term BiPAP use? While not strictly mandatory, integrated humidification is highly recommended for nearly all long-term users to prevent nasal congestion, dryness, and irritation, which are common reasons for discontinuing therapy. The cost of the humidifier feature is usually outweighed by the value of consistent, comfortable nightly use.
How important is wireless data tracking for long-term therapy management? Wireless connectivity is increasingly valuable for long-term management. It provides effortless, continuous feedback to you and your sleep team, enabling proactive adjustments to optimize therapy without frequent in-person visits. This convenience significantly supports adherence and ensures the machine remains effective, enhancing its overall value.
Can I realistically use a long-term BiPAP machine while traveling frequently? Yes, many modern BiPAP machines designed for long-term therapy are also highly portable. Look for compact size, lightweight design, universal power adapters (100-240V), and compatibility with travel batteries. Confirming travel suitability upfront adds significant long-term flexibility and value.
What are the most expensive consumable parts to replace regularly? Mask systems (especially full-face masks) and their cushions are typically the most frequent and costly consumables, needing replacement every 1-3 months. Tubing and water chambers usually last 3-6 months, while filters are the least expensive (replaced monthly). Factor these recurring costs into your long-term budget.
How do I know if my BiPAP settings are still optimal after several years? Regular follow-ups with your sleep specialist are crucial. They will review your usage data (often automatically transmitted via connectivity), assess your symptoms, and may conduct follow-up sleep studies. Don’t assume settings remain perfect; changes in weight, health, or even sleep position can necessitate adjustments for continued effectiveness.
What role does my Durable Medical Equipment (DME) provider play in long-term value? A responsive, knowledgeable DME provider is vital. They handle insurance billing, supply necessary consumables, provide initial setup and education, offer troubleshooting support, and manage repairs. Choosing a provider known for excellent long-term customer service prevents frustrations and delays, directly contributing to the smooth, cost-effective experience of your therapy.