Sleep Studies

Full diagnostic sleep studies, reported within 7 to 10 days.

We investigate and treat sleep disorders across London and Hertfordshire. That might mean a detailed overnight study, or one of the tests you can do at home. You don't need a GP referral. Request a study and we'll call you to arrange it.

Patient being fitted at the Sleep and Health Clinic
CQC RegisteredCare Quality Commission
2,000+ PatientsAssessed and diagnosed
Harley StreetPremium outpatient sites
5/5 on Google
When A Study Is Needed

When to think about a sleep study

A lot of what goes wrong with sleep happens when you're not aware of it. A sleep study records your breathing, oxygen levels, heart rhythm, limb movement and sleep stages over a full night, and it is the clearest way to understand what is happening during your sleep. If you recognise any of the symptoms below, it's worth talking to us.

  • Snoring with witnessed pauses in breathing
  • Daytime sleepiness despite adequate time in bed
  • Falling asleep while driving or during work
  • Unrefreshing sleep over a period of weeks or months
  • Unusual movements or behaviours at night
  • Night-time teeth grinding or jaw clenching
  • A previous test reported as normal while symptoms continued
  • Diagnosed sleep apnoea that CPAP has not resolved
The Study

What happens during an overnight study

You don't have to know which test you need. Your doctor will recommend an approach based on your symptoms, medical history and individual needs. An overnight study then gives us a detailed picture of what happens while you sleep.

Setting up

Our sleep physiologist sets up your study and fits the sensors before you go to sleep.

Through the night

While you sleep, the study records brain activity, eye movements, breathing, oxygen levels, heart rhythm and muscle activity, including leg and jaw movements. It also records video through the night.

Your results

We go through the whole night's recording in detail to help guide your care. Your results are reported within 7 to 10 days.

Diagnostic Options

Which study is right for you

Which study we use depends on your symptoms and how much detail your diagnosis needs. We'll talk you through the options and explain where each one fits in your care.

In hospital

Detailed Overnight Sleep Study (Nocturnal Video Polysomnography)

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This study is done in hospital and gives a detailed picture of what happens while you sleep. It may help investigate daytime sleepiness that won't go away, disturbed breathing, unusual movements or behaviours at night, or symptoms nobody has explained yet. We also use it to look at night-time teeth grinding (bruxism) when a dentist or doctor needs a clearer picture.

What you can expectOur sleep physiologist sets up the study before you go to sleep. Overnight it records brain activity, eye movements, breathing, oxygen levels, heart rhythm and muscle activity, including leg and jaw movements, along with video. Afterwards we review the whole recording in detail to help guide your care.
At home

Overnight Sleep Study at Home

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The same recording, done in your own bed, where your sleep is closest to normal.

At home

WatchPAT Home Sleep Apnoea Test

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An overnight screening study for obstructive sleep apnoea that you do at home. We use it when the clinical picture is already clear.

Everyday life

Actigraphy and Sleep Diary

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This helps us understand your sleep–wake pattern in everyday life. It's useful if your sleep timing is irregular, you work shifts or you struggle with jet lag, and it can guide your assessment and treatment.

What you can expectYou wear a small wrist-worn monitor for two weeks and carry on as normal, writing down when you sleep each day in a physical logbook.

Not sure which study you need? Book a consultation and your doctor will recommend the right one.

Book a Consultation

Results reported within 7 to 10 days

No GP referral required. Most insurers accepted.

After Your Study

Treatment built around your diagnosis

We build your treatment plan around your sleep problem, your wider health, your daily routine and what you prefer. Your doctor will go through the options with you, including their benefits and limitations.

Ready When You Are

Request a sleep study

Leave your details and we'll call you within one working day. We'll talk through which study is right for you and get it booked.

Ready to talk? Call 07974 731 967
  • No GP referral required
  • Results reported within 7 to 10 days
  • Most insurers accepted
  • CQC registered · More than 2,000 patients assessed and diagnosed
  • 5/5 stars on Google Reviews
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