Sleep Service

The Service provides a comprehensive diagnostic and treatment service for adults with sleep disordered breathing, in particular Obstructive Sleep Apnoea (OSA).

You may need the service if you have consulted your GP about:

  • Excessive snoring
  • Breathing problems while sleeping
  • Feeling excessively sleepy in the daytime

The team provides treatment with Continuous Positive Airway Pressure (CPAP) on the NHS for those with a confirmed diagnosis of OSA.

Referral process

You will first need to consult your GP, who will need to refer you.

You will then be able to use the NHS e-Referral Service to arrange a sleep study and clinic appoinment - please see the NHS website: Appointment booking (


We have access to a comprehensive range of diagnostic tests ranging from simple home monitoring to detailed in-patient sleep studies in our dedicated Sleep Laboratory.

We will review the studies on a weekly basis and if the results show you need treatment for OSA, our dedicated Specialist Sleep Nurse will spend more time with you to explain your treatment and provide you with all the equipment you need.

Drop-in sessions (existing patients)

Every Wednesday, 8.00am-3.30pm - no appointment necessary.

Patients can call in for support or help with problems, or to collect equipment.


On Saturn Ward at the Great Western Hospital - fourth floor (please see Floor plans).


Sleep Specialist Nurse:
Tel: 01793 604098 (Monday-Friday, 8.00am-4.00pm).

Further information

For more information about OSA please see the NHS website: Obstructive sleep apnoea (

The Sleep Apnoea Trust Association (SATA) provides advice and support for sleep apnoea patients, their partners and families - please see the SATA website (

Paul Clarke at Cassiobury Court has produced a useful guide explaining how alcohol consumption can negatively impact on sleep: The Comprehensive Guide to Alcohol and Sleep (

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