Customer Reviews
Sonata Polysomnography System
- Balaji NatarajanVerified Purchase· Porur
Convenient and reliable
“No hospital stay needed — the Sonata Polysomnography System let me test at home in Porur. Setup support was excellent and the results confirmed my sleep apnea. Smooth, affordable, professional.”
via google - Senthil MuruganVerified Purchase· Ashok Nagar
Accurate home sleep study
“Got my sleep study done with Srivari using the Sonata Polysomnography System. The device was delivered to Ashok Nagar, sensors were easy to apply, and I slept normally at home. The report came in two days with a clear AHI and a treatment recommendation. Professional and accurate.”
via google - Deepa RaghavanVerified Purchase· Indiranagar, Bengaluru
Accurate home sleep study
“Got my sleep study done with the Sonata Polysomnography System. Delivered to Indiranagar, Bengaluru, sensors easy to apply, slept normally at home. The report came in two days with a clear AHI and recommendation.”
via google - Revathi IyerVerified Purchase· Anna Nagar
Convenient and reliable
“No hospital stay needed — the Sonata Polysomnography System let me test at home in Anna Nagar. Setup support was excellent and the results were thorough enough to confirm my sleep apnea. Smooth, affordable and professional from start to finish.”
via google - Vijay ShankarVerified Purchase· Home Caretaker, Kilpauk
Truly dependable
“Looking after a bed-ridden patient, ease of use matters to me. The Sonata Polysomnography System report came back within 24–48 hours with advice. The team was professional, ethical and genuinely caring.”
via google - Senthil NairVerified Purchase· Muscat, Oman
Excellent service
“I live in Muscat, Oman and arranged everything for my parents in Chennai. The Sonata Polysomnography System home study was comfortable and easy to set up. Srivari delivered and set everything up at home the same day.”
via google - Dr. Latha VenkatVerified Purchase· Sleep Physician, Chennai
Reliable Level 3 diagnostics
“The Sonata Polysomnography System produces good-quality recordings for home sleep testing, and the scoring is dependable for confirming OSA. Srivari handles logistics and reporting professionally. A trustworthy diagnostic partner.”
via google - Saravanan PillaiVerified Purchase· Nungambakkam
Quick turnaround, helpful team
“Booked the Sonata Polysomnography System and the whole process was quick. Device delivered to Nungambakkam, study done overnight, report within 48 hours with treatment advice. The team answered every question patiently. Highly recommend.”
via google - Dr. Sangeetha BoseVerified Purchase· Consultant Pulmonologist, Bengaluru
Accurate, well-reported studies
“For home polygraphy the Sonata Polysomnography System captures solid respiratory and SpO2 data. The physician-reviewed reports are clear and actionable. Smooth coordination from Srivari.”
via google - Meena DeviVerified Purchase· Guindy
Excellent service
“Our doctor advised home equipment and we searched for a good supplier. The Sonata Polysomnography System captured solid respiratory, SpO2 and heart-rate data. They followed up to make sure everything was working well.”
via google - Daniel RajVerified Purchase· Home Caretaker, Sholinganallur
Easy for me to manage daily
“I work as a home caretaker for an elderly patient in Sholinganallur. The Sonata Polysomnography System is simple for me to operate — clear indicators and easy cleaning. Srivari's team is patient on the phone whenever I have a doubt. It makes daily care much easier.”
via google - Dr. Suresh BabuVerified Purchase· Neurologist, Chennai
Highly recommend
“As a specialist I am particular about device quality and after-care. The Sonata Polysomnography System let us test at home with no hospital stay. Billing was transparent and the pricing was fair.”
via google - Karthik MohanVerified Purchase· Muscat, Oman
Arranged from abroad, flawless service
“I live in Muscat, Oman and arranged the Sonata Polysomnography System for my father in Chennai. Srivari handled delivery, installation and family training entirely, and kept me updated on WhatsApp throughout. For an NRI, this reliability is priceless.”
via google - Kavitha VarmaVerified Purchase· Madipakkam
Very satisfied
“After months of poor sleep and fatigue, we decided to act. The Sonata Polysomnography System recording produced a clear AHI and a detailed report. As an authorised Löwenstein partner, the device was original with warranty.”
via google - Revathi NarayananVerified Purchase· Tambaram
Highly recommend
“My mother needed reliable home support after discharge. The Sonata Polysomnography System made diagnosis convenient and stress-free. Highly recommend Srivari for reliable, trustworthy service.”
via google - Balaji KrishnanVerified Purchase· Home Caretaker, Perambur
Very satisfied
“As a home nurse I handle these devices on every shift. The Sonata Polysomnography System report came back within 24–48 hours with advice. Free home installation and a proper demonstration were included.”
via google - Shanthi RaghavanVerified Purchase· Koramangala, Bengaluru
Trustworthy and professional
“We compared a few suppliers before choosing Srivari. The Sonata Polysomnography System captured solid respiratory, SpO2 and heart-rate data. 24×7 phone support gave us real peace of mind.”
via google - Dr. Gopal MuruganVerified Purchase· Neurologist, Chennai
Great experience
“As a specialist I am particular about device quality and after-care. The Sonata Polysomnography System let us test at home with no hospital stay. The team was professional, ethical and genuinely caring.”
via google - Hari RajanVerified Purchase· Kuala Lumpur, Malaysia
Trustworthy and professional
“I manage my mother’s care from Kuala Lumpur, Malaysia and needed reliable help. The Sonata Polysomnography System home study was comfortable and easy to set up. After-sales support on WhatsApp has been prompt and helpful.”
via google - Nandhini NatarajanVerified Purchase· Madipakkam
Great experience
“After my diagnosis I wanted to start therapy without delay. The Sonata Polysomnography System made diagnosis convenient and stress-free. Their respiratory therapist handled the setup and training patiently.”
via google - Saravanan PrasadVerified Purchase· Home Caretaker, Velachery
Reliable and prompt
“I care for an elderly patient at home and manage the equipment daily. The Sonata Polysomnography System report came back within 24–48 hours with advice. Srivari delivered and set everything up at home the same day.”
via google - Janaki MohanVerified Purchase· Chromepet
Reliable and prompt
“Our doctor advised home equipment and we searched for a good supplier. The Sonata Polysomnography System recording produced a clear AHI and a detailed report. They followed up to make sure everything was working well.”
via google - Uma ManiVerified Purchase· T. Nagar
Worth every rupee
“My mother needed reliable home support after discharge. The Sonata Polysomnography System captured solid respiratory, SpO2 and heart-rate data. Highly recommend Srivari for reliable, trustworthy service.”
via google - Anand KumarVerified Purchase· Adyar
Worth every rupee
“My husband's condition meant we needed equipment at home. The Sonata Polysomnography System home study was comfortable and easy to set up. Billing was transparent and the pricing was fair.”
via google - Sangeeta VenkatesanVerified Purchase· Besant Nagar
Outstanding support
“After months of poor sleep and fatigue, we decided to act. The Sonata Polysomnography System made diagnosis convenient and stress-free. As an authorised Löwenstein partner, the device was original with warranty.”
via google - Dr. Naveen NairVerified Purchase· Neurologist, Chennai
Outstanding support
“As a specialist I am particular about device quality and after-care. The Sonata Polysomnography System let us test at home with no hospital stay. Free home installation and a proper demonstration were included.”
via google - Ravi SubramanianVerified Purchase· Home Caretaker, Porur
Genuine product, great care
“On night duty I rely on the equipment being simple and safe. The Sonata Polysomnography System report came back within 24–48 hours with advice. After-sales support on WhatsApp has been prompt and helpful.”
via google - Latha PillaiVerified Purchase· Whitefield, Bengaluru
Genuine product, great care
“We compared a few suppliers before choosing Srivari. The Sonata Polysomnography System recording produced a clear AHI and a detailed report. 24×7 phone support gave us real peace of mind.”
via google - Vikram RaoVerified Purchase· Dubai, UAE
Smooth and professional
“From Dubai, UAE, I organised home equipment for my father in Chennai. The Sonata Polysomnography System home study was comfortable and easy to set up. The team was professional, ethical and genuinely caring.”
via google - Hema SundaramVerified Purchase· Anna Nagar
Compassionate team
“Our doctor advised home equipment and we searched for a good supplier. The Sonata Polysomnography System made diagnosis convenient and stress-free. They followed up to make sure everything was working well.”
via google - Fatima VarmaVerified Purchase· Besant Nagar
Smooth and professional
“After my diagnosis I wanted to start therapy without delay. The Sonata Polysomnography System captured solid respiratory, SpO2 and heart-rate data. Their respiratory therapist handled the setup and training patiently.”
via google - Dr. Rajesh BoseVerified Purchase· Neurologist, Chennai
Compassionate team
“As a specialist I am particular about device quality and after-care. The Sonata Polysomnography System let us test at home with no hospital stay. Srivari delivered and set everything up at home the same day.”
via google - Sridevi ChandarVerified Purchase· Sholinganallur
Quick delivery, expert setup
“My mother needed reliable home support after discharge. The Sonata Polysomnography System recording produced a clear AHI and a detailed report. Highly recommend Srivari for reliable, trustworthy service.”
via google - Ramesh SelvamVerified Purchase· Mylapore
Best in Chennai
“We needed a dependable solution for my elderly grandparent. The Sonata Polysomnography System home study was comfortable and easy to set up. Free home installation and a proper demonstration were included.”
via google - Karthik MuruganVerified Purchase· Home Caretaker, Porur
Quick delivery, expert setup
“I assist a family with their patient’s daily therapy. The Sonata Polysomnography System report came back within 24–48 hours with advice. Billing was transparent and the pricing was fair.”
via google - Lakshmi IyerVerified Purchase· Anna Nagar
Best in Chennai
“After months of poor sleep and fatigue, we decided to act. The Sonata Polysomnography System captured solid respiratory, SpO2 and heart-rate data. As an authorised Löwenstein partner, the device was original with warranty.”
via google - Dr. Arun ReddyVerified Purchase· Neurologist, Chennai
Five stars
“As a specialist I am particular about device quality and after-care. The Sonata Polysomnography System let us test at home with no hospital stay. After-sales support on WhatsApp has been prompt and helpful.”
via google - Deepa MenonVerified Purchase· Tambaram
Truly dependable
“After my diagnosis I wanted to start therapy without delay. The Sonata Polysomnography System recording produced a clear AHI and a detailed report. Their respiratory therapist handled the setup and training patiently.”
via google
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