The OSA Alliance
Facilitating clinical excellence with all in OSA
This website is aimed at healthcare professionals who want to learn more about Obstructive Sleep Apnoea (OSA), whether they are new to the condition or work in the sleep and respiratory areas.
There is information to support primary care professionals with diagnosis and to offer help to those working in sleep centres.

Diagnosis of Obstructive Sleep Apnoea Hypopnoea Syndrome (OSAHS)
Early recognition and diagnosis can improve quality of life, reduce health risks, and lead to effective treatment.
Discover how OSAHS is diagnosed, including the importance of a detailed sleep history and sleep study, how sleep study results are interpreted, and access to the latest NICE guidance, educational resources, and webinars to support healthcare professionals and patients.
Treatments
Learn about current NHS treatments, treatment priorities, new and developing therapies, and the latest NICE guidance supporting personalised care.

Continuous positive airway pressure
Continuous positive airway pressure (CPAP) applied to upper airway via a mask, tubing, and machine to splint it open and prevent its closure.

Mandibular Advancement Splint (MAS)
The principal mode of action is anatomical action to increase the air space in the pharynx by placing the soft tissues of the pharynx under stretch with jaw protrusion.

Hypoglossal nerve stimulation
Aims to treat OSAHS by preventing the tongue prolapsing backwards and causing upper airway obstruction during sleep, by delivering an electrical current to the hypoglossal nerve.



