Sleep Test in Lahore or Polysomnography
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Sleep Study or Sleep Apnea Test is an overnight sleep test to diagnose Obstructive Sleep Apnea. This sleep test or polysomnography monitors snoring episodes, apnea events, oxygen desaturation, heart rate, positional apnea events and breathing. This sleep study is done at home and at night.
This test helps diagnose sleep apnea and supports your treatment plan if you have
symptoms of sleep apnea.
Why Sleep Test in Lahore is Important
Home Sleep Apnea Test
records your sleep patterns to diagnose when your sleep is disrupted and why.
There are many sleep apnea test devices. They monitor your apnea events and airflow, as well as oxygen desaturation and heart rate. During sleep tests, a patient may have several hundred sleep apnea events. Duration of the longest event may range from a few seconds to 3 minutes. Oxygen desaturation can go below 60 in many cases.
Any Danger in the Test
This overnight sleep study is a non-invasive and easy test. The device is small, and the patient can walk and go to the bathroom while using it.
How You Prepare
Patient must not drink alcohol or coffee during the afternoon and evening before the test. Patient must not sleep in the afternoon. He should take a bath before the sleep study. In a home sleep apnea test, the device is delivered to you through a sleep technician who will set it up and guide you on how to switch it off in the morning.
Room Environment
The room where the sleep study is done should be similar to a hotel room, dark and quiet during the test. The patient should be alone.
Returning the Device or Equipment
In the morning, the patient will turn the device off as instructed and return it to the sleep centre where a qualified technician will prepare a report. The patient will take that report to their doctor, who may recommend CPAP or BiPAP therapy depending on the severity, as per the American Association of Sleep Medicine.
Titration
There are two ways titration can be done:
1) During the same night after 3 to 4 hours of sleep test
2) On the next day in the sleep centre
During titration, it is checked at which air pressure the patient is comfortable and their AHI (Apnea Hypopnea Index) is stable. That pressure is noted by a qualified sleep technologist. Continuous Positive Airway Pressure (CPAP) machines are used for titration.
If a patient is overweight, Bilevel Positive Airway Pressure (BiPAP or BPAP) machines may be more comfortable. These devices assist with both inhalation and exhalation.
Report
The parameters recorded during polysomnography provide detailed data about your sleep patterns, including:
- Heart Rate
- Blood oxygen desaturation
- Apnea events
- Positional apnea events
- Snoring episodes
- Longest apnea event
- Duration of lowest SpO2
Your physician will review the information collected during your home sleep test.
Sleep Study Price in Lahore, Karachi, and Islamabad
Home sleep study pricing varies slightly by city. In Lahore, a home sleep test typically costs around Rs 15,000. Karachi is priced similarly, also starting from Rs 15,000. Islamabad is priced a little higher, at around Rs 20,000, reflecting local service costs.
Regardless of city, every home sleep test includes device delivery to your residence, setup guidance from a trained sleep technician, and a full diagnostic report reviewed by your physician.
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Home Sleep Test vs Lab Sleep Study: Which One Do You Need?
Many people searching for a sleep test in Pakistan aren't sure whether they need a home sleep test or a full lab-based sleep study. Both are used to diagnose sleep apnea, but they differ in what they measure, where they're done, and how much they cost.
| Home Sleep Test | Lab Sleep Study | |
|---|---|---|
| Where it's done | Your own bed, at home | A sleep lab or hospital, overnight |
| Supervision | Unattended, device is self-applied with guidance | Attended by a sleep technician throughout the night |
| What it measures | Airflow, breathing effort, oxygen levels, heart rate, snoring | All of the above, plus brain waves, eye movement, and muscle activity |
| Can it stage your sleep (light, deep, REM)? | No | Yes |
| Best for | Suspected straightforward obstructive sleep apnea | Complex cases, unclear home test results, or diagnosing sleep disorders beyond apnea |
| Typical cost in Pakistan | Around Rs 15,000–20,000 | Generally higher, due to overnight staff supervision and lab equipment |
If you have classic symptoms of sleep apnea — loud snoring, choking during sleep, or excessive daytime tiredness — and you're otherwise healthy, a home sleep test is usually the right starting point and is what cpap.pk offers across Lahore, Karachi, and Islamabad. If your home test results are inconclusive, or if your doctor suspects a more complex sleep disorder, a lab-based study may be recommended as the next step.
Detailed Device Parameters: Philips Alice NightOne (Home) vs Philips Alice 6 LDx (Lab)
At cpap.pk, our home sleep tests use the Philips Alice NightOne, a Type 3 home sleep apnea testing device. Lab-based studies use the Philips Alice 6 LDx, a Type 1 full polysomnography system. Here is a detailed breakdown of exactly what each device records:
| Parameters | Level 3 (At Home) | Level 1 (In our Lab) |
|---|---|---|
| Total channels | 7 | 55 |
| Airflow | Nasal cannula (pressure-derived) | Thermal sensor plus dedicated pressure transducer |
| Snoring | Derived from cannula signal | Dedicated snore sensor |
| Respiratory effort | zRIP effort belt (thoracic) | zRIP DuraBelt, chest and abdominal |
| Blood oxygen (SpO2) and pulse rate | Finger pulse oximeter | Finger pulse oximeter |
| Body position | Built-in accelerometer | Dedicated position channel |
| Brain activity (EEG) | Not recorded | 19 to 32 inputs, depending on headbox |
| Eye movement (EOG) | Not recorded | 2 channels |
| Chin and limb muscle activity (EMG) | Not recorded | 3 chin inputs plus 5 dedicated limb channels |
| Heart rhythm (ECG) | Not recorded separately (pulse rate only) | 7 channels (3 physical, 4 derived) |
| Video and audio | Not recorded | Networked video with synced audio/intercom |
| Diagnoses sleep stage disorders (e.g. narcolepsy, REM behavior disorder, periodic limb movement disorder) | No — cannot stage sleep without EEG/EOG/EMG | Yes — full sleep staging enables these diagnoses |
| Data storage | 4 GB internal memory | 60 GB hard drive |
In short: the Alice NightOne is purpose-built to screen for obstructive sleep apnea at home using breathing and oxygen signals alone. The Alice 6 LDx captures brain wave, eye movement, and muscle activity in addition to breathing signals, which is what allows it to score actual sleep stages and diagnose sleep stage disorders that a home test cannot detect.
Frequently Asked Questions
What is the cost of a sleep study test in Pakistan?
Home sleep test costs typically range around Rs 15,000 to Rs 20,000 depending on the city. Lahore and Karachi are generally priced lower than Islamabad. Contact cpap.pk for exact current pricing.
Can a sleep apnea test be done at home in Karachi, Lahore, or Islamabad?
Yes, we offer home-based sleep apnea testing in all three cities. A sleep technician delivers the diagnostic device to your home, guides you on set-up, and collects it the next day for report processing.
How many nights does a home sleep test usually take?
Most home sleep tests are completed in a single overnight session, though some cases (such as titration studies) may require two nights depending on what your physician recommends.
Do I need a doctor's referral to book a sleep test in Pakistan?
A referral is not mandatory to book a home sleep test. If you have symptoms like loud snoring, choking during sleep, or daytime fatigue, you can book a screening directly, and we can share the report with your physician afterward.
What is the difference between a home sleep test and a lab-based polysomnography?
A home sleep test uses a portable device to monitor breathing, oxygen levels, and heart rate while you sleep in your own bed. A lab-based polysomnography is a more detailed overnight study conducted with multiple sensors in a sleep lab, typically used for more complex cases.
Is a home sleep test as accurate as a lab-based sleep study?
For moderate to severe obstructive sleep apnea, a home sleep test is considered reliable. However, since it doesn't track actual sleep stages, it can sometimes underestimate mild cases, which is why inconclusive results may need a follow-up lab study.
Which is cheaper, a home sleep test or a lab sleep study, in Pakistan?
A home sleep test is generally more affordable, typically Rs 15,000 to Rs 20,000 depending on your city. Lab-based studies usually cost more due to overnight staffing and specialized equipment.
Can a home sleep test detect sleep disorders other than sleep apnea?
A home sleep test is designed specifically to detect obstructive sleep apnea and does not track brain activity, so it cannot diagnose other sleep disorders like narcolepsy or periodic limb movement disorder. A lab-based sleep study is needed for those conditions.