What is a sleep study and are there alternatives?

What is a sleep study and are there alternatives? | SleepTest.co.uk Alternatives to CPAP

The NHS sleep study

The most common reference to a sleep study usually involves the NHS sleep study at a sleep clinic.

Sleep clinics can provide you with the necessary resources to help you get a better night‘s sleep. If your GP thinks you have Sleep Apnoea, they will refer you to a sleep clinic. A sleep clinic is a healthcare facility specialising in diagnosing and treating sleep disorders. Sleep clinics offer various services, including sleep studies, consultations with sleep specialists, and treatments for sleep disorders. They often have specially trained staff knowledgeable about the latest techniques and treatments for sleep disorders.

Alternative to an NHS sleep study is our In-Home Sleep Test

You will receive a machine posted to your home that measures the oxygen level in your blood, heart rate etc. This simple screening test can be called an Overnight Oximetry or an at-home sleep test. You will wear this simple device while you sleep for one or two nights.

Our trained NHS physiologists will analyse your test results and advise whether you need further testing for sleep apnoea or are suffering from OSA and need treatment (possibly CPAP therapy), usually in 7 days.

Overnight testing at a sleep centre/sleep clinic

If your NHS home sleep test has shown you need further testing, you will have your breathing tested overnight in a local sleep centre.

Every person in a sleep centre is tested using safe, hygienic equipment, including a disposable mouthpiece. You can rest assured that highly-trained healthcare professionals will run your tests. They will make sure the equipment gives an accurate result.

The staff will keep you comfortable throughout your test.

Sleep specialists will ask about your medical history and sleep apnoea symptoms and physically examine you. They will measure your height and weight to determine your body mass index and neck circumference. These are all factors in Obstructive Sleep Apnoea.

The sleep specialists will then arrange for you to stay in the sleep centre overnight. Your doctor may request a respiratory sleep test, polysomnography, and an OSLER test.

Keep this in mind:

  • Your doctor will use the test results, your medical history, symptoms and examination results, and X-rays and scans to guide your treatment.
  • Each person is different, and you may need more or fewer tests. In some cases, a test is done once. In other cases, the test must be repeated to monitor changes over time or to observe your body’s response to treatment.
  • Your healthcare professional can explain your test results to you. If you don’t understand, keep asking questions until you do.

Respiratory Sleep Test

A respiratory sleep test is used to diagnose Obstructive Sleep Apnoea (OSA). While you sleep, you’ll wear some equipment to record your oxygen levels, breathing movements, heart rate and snoring.

Your doctor may want to know your carbon dioxide levels while you sleep. So you may wear a small clip in your earlobe and have a blood gas test when you wake up.

Polysomnography

Polysomnography is a more complex sleep analysis test designed to:

  • Assess sleep and wakefulness – measuring your brain waves, eye movements and muscle movements.
  • Assess your heart and breathing – measuring your airflow, chest wall motion, oxygen levels and heart activity.
  • Record video and audio footage.

Polysomnography is needed when basic tests haven’t given precise results. It’s also helpful if you make abnormal movements or do strange things while asleep. Some equipment will be attached with tape, wires and straps to take the measures as you sleep.

If your doctor feels it’s necessary, your sleep specialist may ask you to stay in a hospital after the overnight stay for a multiple sleep latency test. This involves napping for periods of 20 to 30 minutes at set times.

Your sleep specialist may want to know how alert you are during the day and how easily you fall asleep. A ‘maintenance of wakefulness test’ may be performed the day after your overnight stay. You’ll be asked to stay awake as long as possible while sitting in a quiet, relaxing, semi-darkened room.

OSLER test

An Oxford sleep resistance (OSLER) test measures how long you can stay awake in favourable conditions to fall asleep. This test is performed during the daytime.

You will be asked to lie in a darkened room without any noise. You will have a handheld box that needs to be repeatedly activated every time you see a red light.

Your sleep specialists care

Remember that these tests will help your doctor understand what’s happening when you sleep. And the tests will help you get the treatment you need. When sleep is severely disturbed and breathing is halted so frequently, it takes a toll on your body. With these tests, your doctors will better know how to help you so you get the rest you need to stay healthy.

Your bed partner will appreciate it when you get treatment, as the snoring will stop. Everyone will feel better rested, healthier and happier.

Article by Intus Healthcare

Author: HELEN CLARKSON

About author: Helen Clarkson is a Sleep Specialist at Baywater Healthcare. Ms. Clarkson has worked with Baywater since 2008, working closely with patients in delivering sleep/bi-level services including sleep and respiratory, both in the home and clinic setting. This includes therapy initiation and troubleshooting support. Ms. Clarkson is responsible for delivering the Baywater Healthcare patient adherence management programme to ensure continuing patient therapy compliance. works in conjunction with NHS clinicians and procurement to deliver excellence in home and clinic-based services. She provides training on all aspects of sleep including devices and interfaces. Previously, Ms. Clarkson served as Respiratory Physiologist at Pontefract General Infirmary. Her position was Senior MTO for lung function/sleep department, and she was responsible for performing simple and complex sleep studies, sleep study analysis, CPAP initiation, therapy adherence and troubleshooting/service clinics, spirometry, lung volumes and transfer factor, reversibility, CPET, hyperventilation testing, EIA testing, skin prick testing, 6 min walk tests. She has also held roles as Respiratory Physiologist and Respiratory Technician, working closely with patients with respiratory disorders -- including ex-miners. Ms. Clarkson has a BSc (Honors) in Applied biology from University of Staffordshire. She also studied Developments in Sleep Medicine (advanced course) at St. Thomas’ Hospital, and took the Edinburgh Sleep Medicine course. She completed the BSS: Advanced sleep course and the ARTP NIV Course.
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In-Home Sleep Test

The WatchPAT In-Home Sleep Apnoea Test provides a quick, convenient and affordable way to diagnose Obstructive Sleep Apnoea. You will receive your results within two working days of completing the test. All at-home sleep studies are independently analysed by in-house, experienced NHS-qualified sleep clinicians, and the equipment offers accuracy comparable to an overnight sleep test conducted at a hospital or sleep clinic. To take the test, you must be 18 or older and have a BMI below 45.
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