1 Sleep Therapy Machines Market Overview 1.1 Product Overview and Scope of Sleep Therapy Machines 1.2 Sleep Therapy Machines Segment by Type 1.2.1 Global Sleep Therapy Machines Production Growth Rate Comparison by Type 2020 VS 2026 1.2.2 CPAP Therapy Device 1.2.3 BiPAP Therapy Device 1.2.4 APAP Therapy Device 1.3 Sleep Therapy Machines Segment by Application 1.3.1 Sleep Therapy Machines Consumption Comparison by Application: 2020 VS 2026 1.3.2 Hospital & Clinics 1.3.3 Homecare 1.4 Global Sleep Therapy Machines Market by Region 1.4.1 Global Sleep Therapy Machines Market Size Estimates and Forecasts by Region: 2020 VS 2026 1.4.2 China Estimates and Forecasts (2015-2026) 1.5 Global Sleep Therapy Machines Growth Prospects 1.5.1 Global Sleep Therapy Machines Revenue Estimates and Forecasts (2015-2026) 1.5.2 Global Sleep Therapy Machines Production Capacity Estimates and Forecasts (2015-2026) 1.5.3 Global Sleep Therapy Machines Production Estimates and Forecasts (2015-2026) 1.6 Coronavirus Disease 2019 (Covid-19): Sleep Therapy Machines Industry Impact 1.6.1 How the Covid-19 is Affecting the Sleep Therapy Machines Industry 1.6.1.1 Sleep Therapy Machines Business Impact Assessment - Covid-19 1.6.1.2 Supply Chain Challenges 1.6.1.3 COVID-19’s Impact On Crude Oil and Refined Products 1.6.2 Market Trends and Sleep Therapy Machines Potential Opportunities in the COVID-19 Landscape 1.6.3 Measures / Proposal against Covid-19 1.6.3.1 Government Measures to Combat Covid-19 Impact 1.6.3.2 Proposal for Sleep Therapy Machines Players to Combat Covid-19 Impact 2 Market Competition by Manufacturers 2.1 Global Sleep Therapy Machines Production Capacity Market Share by Manufacturers (2015-2020) 2.2 Global Sleep Therapy Machines Revenue Share by Manufacturers (2015-2020) 2.3 Market Share by Company Type (Tier 1, Tier 2 and Tier 3) 2.4 Global Sleep Therapy Machines Average Price by Manufacturers (2015-2020) 2.5 Manufacturers Sleep Therapy Machines Production Sites, Area Served, Product Types 2.6 Sleep Therapy Machines Market Competitive Situation and Trends 2.6.1 Sleep Therapy Machines Market Concentration Rate 2.6.2 Global Top 3 and Top 5 Players Market Share by Revenue 2.6.3 Mergers & Acquisitions, Expansion 3 Production Capacity by Region 3.1 Global Production Capacity of Sleep Therapy Machines Market Share by Regions (2015-2020) 3.2 Global Sleep Therapy Machines Revenue Market Share by Regions (2015-2020) 3.3 Global Sleep Therapy Machines Production Capacity, Revenue, Price and Gross Margin (2015-2020) 3.4 China Sleep Therapy Machines Production 3.4.1 China Sleep Therapy Machines Production Growth Rate (2015-2020) 3.4.2 China Sleep Therapy Machines Production Capacity, Revenue, Price and Gross Margin (2015-2020) 4 Global Sleep Therapy Machines Consumption by Regions 4.1 Global Sleep Therapy Machines Consumption by Regions 4.1.1 Global Sleep Therapy Machines Consumption by Region 4.1.2 Global Sleep Therapy Machines Consumption Market Share by Region 4.2 North America 4.2.1 North America Sleep Therapy Machines Consumption by Countries 4.2.2 U.S. 4.2.3 Canada 4.3 Europe 4.3.1 Europe Sleep Therapy Machines Consumption by Countries 4.3.2 Germany 4.3.3 France 4.3.4 U.K. 4.3.5 Italy 4.3.6 Russia 4.4 Asia Pacific 4.4.1 Asia Pacific Sleep Therapy Machines Consumption by Region 4.4.2 China 4.4.3 Japan 4.4.4 South Korea 4.4.5 Taiwan 4.4.6 Southeast Asia 4.4.7 India 4.4.8 Australia 4.5 Latin America 4.5.1 Latin America Sleep Therapy Machines Consumption by Countries 4.5.2 Mexico 4.5.3 Brazil 5 Production, Revenue, Price Trend by Type 5.1 Global Sleep Therapy Machines Production Market Share by Type (2015-2020) 5.2 Global Sleep Therapy Machines Revenue Market Share by Type (2015-2020) 5.3 Global Sleep Therapy Machines Price by Type (2015-2020) 5.4 Global Sleep Therapy Machines Market Share by Price Tier (2015-2020): Low-End, Mid-Range and High-End 6 Global Sleep Therapy Machines Market Analysis by Application 6.1 Global Sleep Therapy Machines Consumption Market Share by Application (2015-2020) 6.2 Global Sleep Therapy Machines Consumption Growth Rate by Application (2015-2020) 7 Company Profiles and Key Figures in Sleep Therapy Machines Business 7.1 Philips 7.1.1 Philips Sleep Therapy Machines Production Sites and Area Served 7.1.2 Philips Sleep Therapy Machines Product Introduction, Application and Specification 7.1.3 Philips Sleep Therapy Machines Production Capacity, Revenue, Price and Gross Margin (2015-2020) 7.1.4 Philips Main Business and Markets Served 7.2 WEINMANN 7.2.1 WEINMANN Sleep Therapy Machines Production Sites and Area Served 7.2.2 WEINMANN Sleep Therapy Machines Product Introduction, Application and Specification 7.2.3 WEINMANN Sleep Therapy Machines Production Capacity, Revenue, Price and Gross Margin (2015-2020) 7.2.4 WEINMANN Main Business and Markets Served 7.3 ResMed Corp 7.3.1 ResMed Corp Sleep Therapy Machines Production Sites and Area Served 7.3.2 ResMed Corp Sleep Therapy Machines Product Introduction, Application and Specification 7.3.3 ResMed Corp Sleep Therapy Machines Production Capacity, Revenue, Price and Gross Margin (2015-2020) 7.3.4 ResMed Corp Main Business and Markets Served 7.4 HoMedics 7.4.1 HoMedics Sleep Therapy Machines Production Sites and Area Served 7.4.2 HoMedics Sleep Therapy Machines Product Introduction, Application and Specification 7.4.3 HoMedics Sleep Therapy Machines Production Capacity, Revenue, Price and Gross Margin (2015-2020) 7.4.4 HoMedics Main Business and Markets Served 7.5 Compumedics 7.5.1 Compumedics Sleep Therapy Machines Production Sites and Area Served 7.5.2 Compumedics Sleep Therapy Machines Product Introduction, Application and Specification 7.5.3 Compumedics Sleep Therapy Machines Production Capacity, Revenue, Price and Gross Margin (2015-2020) 7.5.4 Compumedics Main Business and Markets Served 7.6 Cadwell 7.6.1 Cadwell Sleep Therapy Machines Production Sites and Area Served 7.6.2 Cadwell Sleep Therapy Machines Product Introduction, Application and Specification 7.6.3 Cadwell Sleep Therapy Machines Production Capacity, Revenue, Price and Gross Margin (2015-2020) 7.6.4 Cadwell Main Business and Markets Served 7.7 Natus 7.7.1 Natus Sleep Therapy Machines Production Sites and Area Served 7.7.2 Natus Sleep Therapy Machines Product Introduction, Application and Specification 7.7.3 Natus Sleep Therapy Machines Production Capacity, Revenue, Price and Gross Margin (2015-2020) 7.7.4 Natus Main Business and Markets Served 8 Sleep Therapy Machines Manufacturing Cost Analysis 8.1 Sleep Therapy Machines Key Raw Materials Analysis 8.1.1 Key Raw Materials 8.1.2 Key Raw Materials Price Trend 8.1.3 Key Suppliers of Raw Materials 8.2 Proportion of Manufacturing Cost Structure 8.3 Manufacturing Process Analysis of Sleep Therapy Machines 8.4 Sleep Therapy Machines Industrial Chain Analysis 9 Marketing Channel, Distributors and Customers 9.1 Marketing Channel 9.2 Sleep Therapy Machines Distributors List 9.3 Sleep Therapy Machines Customers 10 Market Dynamics 10.1 Market Trends 10.2 Opportunities and Drivers 10.3 Challenges 10.4 Porter's Five Forces Analysis 11 Production and Supply Forecast 11.1 Global Forecasted Production of Sleep Therapy Machines (2021-2026) 11.2 Global Forecasted Revenue of Sleep Therapy Machines (2021-2026) 11.3 Global Forecasted Price of Sleep Therapy Machines (2021-2026) 11.4 Global Sleep Therapy Machines Production Forecast by Regions (2021-2026) 11.4.1 China Sleep Therapy Machines Production, Revenue Forecast (2021-2026) 12 Consumption and Demand Forecast 12.1 Global Forecasted and Consumption Demand Analysis of Sleep Therapy Machines 12.2 North America Forecasted Consumption of Sleep Therapy Machines by Country 12.3 Europe Market Forecasted Consumption of Sleep Therapy Machines by Country 12.4 Asia Pacific Market Forecasted Consumption of Sleep Therapy Machines by Regions 12.5 Latin America Forecasted Consumption of Sleep Therapy Machines 13 Forecast by Type and by Application (2021-2026) 13.1 Global Production, Revenue and Price Forecast by Type (2021-2026) 13.1.1 Global Forecasted Production of Sleep Therapy Machines by Type (2021-2026) 13.1.2 Global Forecasted Revenue of Sleep Therapy Machines by Type (2021-2026) 13.1.2 Global Forecasted Price of Sleep Therapy Machines by Type (2021-2026) 13.2 Global Forecasted Consumption of Sleep Therapy Machines by Application (2021-2026) 14 Research Finding and Conclusion 15 Methodology and Data Source 15.1 Methodology/Research Approach 15.1.1 Research Programs/Design 15.1.2 Market Size Estimation 15.1.3 Market Breakdown and Data Triangulation 15.2 Data Source 15.2.1 Secondary Sources 15.2.2 Primary Sources 15.3 Author List 15.4 Disclaimer

List of Tables Table 1. Global Sleep Therapy Machines Production (K Units) Growth Rate Comparison by Type (2015-2026) Table 2. Global Sleep Therapy Machines Market Size by Type (K Units) (US$ Million) (2020 VS 2026) Table 3. Global Sleep Therapy Machines Consumption (K Units) Comparison by Application: 2020 VS 2026 Table 4. COVID-19 Impact Global Market: (Four Sleep Therapy Machines Market Size Forecast Scenarios) Table 5. Opportunities and Trends for Sleep Therapy Machines Players in the COVID-19 Landscape Table 6. Present Opportunities in China & Elsewhere Due to the Coronavirus Crisis Table 7. Key Regions/Countries Measures against Covid-19 Impact Table 8. Proposal for Sleep Therapy Machines Players to Combat Covid-19 Impact Table 9. Global Sleep Therapy Machines Production (K Units) by Manufacturers Table 10. Global Sleep Therapy Machines Production (K Units) by Manufacturers (2015-2020) Table 11. Global Sleep Therapy Machines Production Share by Manufacturers (2015-2020) Table 12. Global Sleep Therapy Machines Revenue (Million USD) by Manufacturers (2015-2020) Table 13. Global Sleep Therapy Machines Revenue Share by Manufacturers (2015-2020) Table 14. Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Sleep Therapy Machines as of 2019) Table 15. Global Market Sleep Therapy Machines Average Price (US$/Unit) of Key Manufacturers (2015-2020) Table 16. Manufacturers Sleep Therapy Machines Production Sites and Area Served Table 17. Manufacturers Sleep Therapy Machines Product Types Table 18. Global Sleep Therapy Machines Manufacturers Market Concentration Ratio (CR5 and HHI) Table 19. Mergers & Acquisitions, Expansion Table 20. Global Sleep Therapy Machines Capacity (K Units) by Region (2015-2020) Table 21. Global Sleep Therapy Machines Production (K Units) by Region (2015-2020) Table 22. Global Sleep Therapy Machines Revenue (Million US$) by Region (2015-2020) Table 23. Global Sleep Therapy Machines Revenue Market Share by Region (2015-2020) Table 24. Global Sleep Therapy Machines Production Capacity (K Units), Revenue (Million US$), Price (US$/Unit) and Gross Margin (2015-2020) Table 25. China Sleep Therapy Machines Production Capacity (K Units), Revenue (Million US$), Price (US$/Unit) and Gross Margin (2015-2020) Table 26. Global Sleep Therapy Machines Consumption (K Units) Market by Region (2015-2020) Table 27. Global Sleep Therapy Machines Consumption Market Share by Region (2015-2020) Table 28. North America Sleep Therapy Machines Consumption by Countries (2015-2020) (K Units) Table 29. Europe Sleep Therapy Machines Consumption by Countries (2015-2020) (K Units) Table 30. Asia Pacific Sleep Therapy Machines Consumption by Countries (2015-2020) (K Units) Table 31. Latin America Sleep Therapy Machines Consumption by Countries (2015-2020) (K Units) Table 32. Global Sleep Therapy Machines Production (K Units) by Type (2015-2020) Table 33. Global Sleep Therapy Machines Production Share by Type (2015-2020) Table 34. Global Sleep Therapy Machines Revenue (Million US$) by Type (2015-2020) Table 35. Global Sleep Therapy Machines Revenue Share by Type (2015-2020) Table 36. Global Sleep Therapy Machines Price (US$/Unit) by Type (2015-2020) Table 37. Global Sleep Therapy Machines Consumption (K Units) by Application (2015-2020) Table 38. Global Sleep Therapy Machines Consumption Market Share by Application (2015-2020) Table 39. Global Sleep Therapy Machines Consumption Growth Rate by Application (2015-2020) Table 40. Philips Sleep Therapy Machines Production Sites and Area Served Table 41. Philips Production Sites and Area Served Table 42. Philips Sleep Therapy Machines Production Capacity (K Units), Revenue (Million US$), Price (US$/Unit) and Gross Margin (2015-2020) Table 43. Philips Main Business and Markets Served Table 44. WEINMANN Sleep Therapy Machines Production Sites and Area Served Table 45. WEINMANN Production Sites and Area Served Table 46. WEINMANN Sleep Therapy Machines Production Capacity (K Units), Revenue (Million US$), Price (US$/Unit) and Gross Margin (2015-2020) Table 47. WEINMANN Main Business and Markets Served Table 48. ResMed Corp Sleep Therapy Machines Production Sites and Area Served Table 49. ResMed Corp Production Sites and Area Served Table 50. ResMed Corp Sleep Therapy Machines Production Capacity (K Units), Revenue (Million US$), Price (US$/Unit) and Gross Margin (2015-2020) Table 51. ResMed Corp Main Business and Markets Served Table 52. HoMedics Sleep Therapy Machines Production Sites and Area Served Table 53. HoMedics Production Sites and Area Served Table 54. HoMedics Sleep Therapy Machines Production Capacity (K Units), Revenue (Million US$), Price (US$/Unit) and Gross Margin (2015-2020) Table 55. HoMedics Main Business and Markets Served Table 56. Compumedics Sleep Therapy Machines Production Sites and Area Served Table 57. Compumedics Production Sites and Area Served Table 58. Compumedics Sleep Therapy Machines Production Capacity (K Units), Revenue (Million US$), Price (US$/Unit) and Gross Margin (2015-2020) Table 59. Compumedics Main Business and Markets Served Table 60. Cadwell Sleep Therapy Machines Production Sites and Area Served Table 61. Cadwell Production Sites and Area Served Table 62. Cadwell Sleep Therapy Machines Production Capacity (K Units), Revenue (Million US$), Price (US$/Unit) and Gross Margin (2015-2020) Table 63. Cadwell Main Business and Markets Served Table 64. Natus Sleep Therapy Machines Production Sites and Area Served Table 65. Natus Production Sites and Area Served Table 66. Natus Sleep Therapy Machines Production Capacity (K Units), Revenue (Million US$), Price (US$/Unit) and Gross Margin (2015-2020) Table 67. Natus Main Business and Markets Served Table 68. Production Base and Market Concentration Rate of Raw Material Table 69. Key Suppliers of Raw Materials Table 70. Sleep Therapy Machines Distributors List Table 71. Sleep Therapy Machines Customers List Table 72. Market Key Trends Table 73. Key Opportunities and Drivers: Impact Analysis (2021-2026) Table 74. Key Challenges Table 75. Global Sleep Therapy Machines Production (K Units) Forecast by Region (2021-2026) Table 76. North America Sleep Therapy Machines Consumption Forecast 2021-2026 (K Units) by Country Table 77. Europe Sleep Therapy Machines Consumption Forecast 2021-2026 (K Units) by Country Table 78. Asia Pacific Sleep Therapy Machines Consumption Forecast 2021-2026 (K Units) by Regions Table 79. Latin America Sleep Therapy Machines Consumption Forecast 2021-2026 (K Units) by Country Table 80. Global Sleep Therapy Machines Consumption (K Units) Forecast by Regions (2021-2026) Table 81. Global Sleep Therapy Machines Production (K Units) Forecast by Type (2021-2026) Table 82. Global Sleep Therapy Machines Revenue (Million US$) Forecast by Type (2021-2026) Table 83. Global Sleep Therapy Machines Price (US$/Unit) Forecast by Type (2021-2026) Table 84. Global Sleep Therapy Machines Consumption (K Units) Forecast by Application (2021-2026) Table 85. Research Programs/Design for This Report Table 86. Key Data Information from Secondary Sources Table 87. Key Data Information from Primary Sources List of Figures Figure 1. Picture of Sleep Therapy Machines Figure 2. Global Sleep Therapy Machines Production Market Share by Type: 2020 VS 2026 Figure 3. CPAP Therapy Device Product Picture Figure 4. BiPAP Therapy Device Product Picture Figure 5. APAP Therapy Device Product Picture Figure 6. Global Sleep Therapy Machines Consumption Market Share by Application: 2020 VS 2026 Figure 7. Hospital & Clinics Figure 8. Homecare Figure 9. China Sleep Therapy Machines Revenue (Million US$) and Growth Rate (2015-2026) Figure 10. Global Sleep Therapy Machines Revenue (Million US$) (2015-2026) Figure 11. Global Sleep Therapy Machines Production Capacity (K Units) (2015-2026) Figure 12. Sleep Therapy Machines Production Share by Manufacturers in 2019 Figure 13. Global Sleep Therapy Machines Revenue Share by Manufacturers in 2019 Figure 14. Sleep Therapy Machines Market Share by Company Type (Tier 1, Tier 2 and Tier 3): 2015 VS 2019 Figure 15. Global Market Sleep Therapy Machines Average Price (US$/Unit) of Key Manufacturers in 2019 Figure 16. The Global 5 and 10 Largest Players: Market Share by Sleep Therapy Machines Revenue in 2019 Figure 17. Global Sleep Therapy Machines Production Market Share by Region (2015-2020) Figure 18. Global Sleep Therapy Machines Production Market Share by Region in 2019 Figure 19. Global Sleep Therapy Machines Revenue Market Share by Region (2015-2020) Figure 20. Global Sleep Therapy Machines Revenue Market Share by Region in 2019 Figure 21. Global Sleep Therapy Machines Production (K Units) Growth Rate (2015-2020) Figure 22. China Sleep Therapy Machines Production (K Units) Growth Rate (2015-2020) Figure 23. Global Sleep Therapy Machines Consumption Market Share by Region (2015-2020) Figure 24. Global Sleep Therapy Machines Consumption Market Share by Region in 2019 Figure 25. North America Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 26. North America Sleep Therapy Machines Consumption Market Share by Countries in 2019 Figure 27. Canada Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 28. U.S. Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 29. Europe Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 30. Europe Sleep Therapy Machines Consumption Market Share by Countries in 2019 Figure 31. Germany America Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 32. France Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 33. U.K. Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 34. Italy Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 35. Russia Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 36. Asia Pacific Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 37. Asia Pacific Sleep Therapy Machines Consumption Market Share by Regions in 2019 Figure 38. China Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 39. Japan Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 40. South Korea Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 41. Taiwan Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 42. Southeast Asia Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 43. India Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 44. Australia Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 45. Latin America Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 46. Latin America Sleep Therapy Machines Consumption Market Share by Countries in 2019 Figure 47. Mexico Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 48. Brazil Sleep Therapy Machines Consumption Growth Rate (2015-2020) (K Units) Figure 49. Production Market Share of Sleep Therapy Machines by Type (2015-2020) Figure 50. Production Market Share of Sleep Therapy Machines by Type in 2019 Figure 51. Revenue Share of Sleep Therapy Machines by Type (2015-2020) Figure 52. Revenue Market Share of Sleep Therapy Machines by Type in 2019 Figure 53. Global Sleep Therapy Machines Production Growth by Type (2015-2020) (K Units) Figure 54. Global Sleep Therapy Machines Consumption Market Share by Application (2015-2020) Figure 55. Global Sleep Therapy Machines Consumption Market Share by Application in 2019 Figure 56. Global Sleep Therapy Machines Consumption Growth Rate by Application (2015-2020) Figure 57. Price Trend of Key Raw Materials Figure 58. Manufacturing Cost Structure of Sleep Therapy Machines Figure 59. Manufacturing Process Analysis of Sleep Therapy Machines Figure 60. Sleep Therapy Machines Industrial Chain Analysis Figure 61. Channels of Distribution Figure 62. Distributors Profiles Figure 63. Porter's Five Forces Analysis Figure 64. Global Sleep Therapy Machines Production Capacity (K Units) and Growth Rate Forecast (2021-2026) Figure 65. Global Sleep Therapy Machines Production (K Units) and Growth Rate Forecast (2021-2026) Figure 66. Global Sleep Therapy Machines Revenue (Million US$) and Growth Rate Forecast (2021-2026) Figure 67. Global Sleep Therapy Machines Price and Trend Forecast (2021-2026) Figure 68. Global Sleep Therapy Machines Production Market Share Forecast by Region (2021-2026) Figure 69. China Sleep Therapy Machines Production (K Units) and Growth Rate Forecast (2021-2026) Figure 70. China Sleep Therapy Machines Revenue (Million US$) and Growth Rate Forecast (2021-2026) Figure 71. Global Forecasted and Consumption Demand Analysis of Sleep Therapy Machines Figure 72. North America Sleep Therapy Machines Consumption (K Units) Growth Rate Forecast (2021-2026) Figure 73. Europe Sleep Therapy Machines Consumption (K Units) Growth Rate Forecast (2021-2026) Figure 74. Asia Pacific Sleep Therapy Machines Consumption (K Units) Growth Rate Forecast (2021-2026) Figure 75. Latin America Sleep Therapy Machines Consumption (K Units) Growth Rate Forecast (2021-2026) Figure 76. Global Sleep Therapy Machines Production (K Units) Forecast by Type (2021-2026) Figure 77. Global Sleep Therapy Machines Revenue Market Share Forecast by Type (2021-2026) Figure 78. Global Sleep Therapy Machines Consumption Forecast by Application (2021-2026) Figure 79. Bottom-up and Top-down Approaches for This Report Figure 80. Data Triangulation

Philips WEINMANN ResMed Corp HoMedics Compumedics Cadwell Natus