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Snoring and Obstructive Sleep Apnea

"Sleep is sweet to the labouring man" – John Bunyan

Snoring is not funny. It is not merely a social problem, although you may have heard stories about spouses using snoring as grounds for divorce! Depending on the severity, snoring may also lead to serious medical problems, such as upper airway resistance syndrome (UARS) and (worst of all) obstructive sleep apnea (OSA).

What is snoring?

Snoring is the noise that occurs during sleep when there is something obstructing the flow of air though the airways.

What causes snoring?

There are many different causes for snoring, and treatment needs to be specific to the cause and the particular patient. The particular part of the airway that commonly causes snoring is full of various anatomical parts. There is the tongue, the tonsils, the soft palate, the uvula and surrounding throat tissue and muscles. Obstructed nasal airways, adenoids or deformities of the nose could be causing the problem. For maximum benefit, it is vital to determine exactly which part or parts are causing the snoring. A detailed analysis by an ENT Doctor is crucial.

Snoring is caused by narrowing or obstruction of the airway. For diagnosis, we divide the airway into three "levels": level I (the nose), level II (the back of the mouth) and level III (the throat).

Level I (the nose) may be obstructed by:

  • Deviated nasal septum
  • Enlarged turbinates
  • Polyps

Level II (the back of the mouth) may be obstructed by:

  • Enlarged soft palate and/or uvula
  • Enlarged tonsils
  • Excessive tissue on the pharyngeal walls (the walls of the mouth)

Level III (the throat) may be obstructed by:

  • Excessive throat tissue
  • Enlarged tongue
  • Enlarged lingual tonsils
  • Enlarged epiglottis
  • Excessive fat around the neck, "strangulating" the throat (obesity)

Snoring may result from one or a combination of some of the above causes. Snoring can be a very complicated process!

In addition, snoring due to any one level of obstruction or narrowing will cause a negative pressure, during inspiration (breathing in), on the other airway levels. Over an average of 8 hours' sleep a night, this constant "sucking in" and "stretching" of the soft tissues of the other airway levels will worsen the collapse of the airway over time. This means that snoring (if not treated) usually worsens as the snorer ages. Treatment of the problem at one of the airway levels may help to relieve the "sucking in" pressure on the other two levels of airway.

Complete Range of ENT Services

Our Singapore ENT clinic specialises in the end-to-end management of all ear, nose, and throat conditions while keeping the best ENT practices in mind.

We offer comprehensive care for the diagnosis and treatment of simple and complex ENT conditions ranging from allergies, ear infections and tonsillitis, to hearing disorders and ENT cancers in both adults and children. Our general and paediatric ENT services also include sinus and snoring surgery to treat obstructive sleep apnoea (OSA), sinusitis, breathing disorders and congenital abnormalities.
Diagnosis and Treatment of Allergies
Diagnosis and Treatment of Ear and Hearing Disorders
Snoring and Obstructive Sleep Apnoea (OSA)
Diagnosis and Treatment of Sinus and Nasal Disorders
Screening, Diagnosis, and Management of ENT Cancers
Diagnosis and Treatment of Throat Disorders
Contact Information
Clinic Address

3 Mount Elizabeth, Suite 14-11 (14th Floor)
Mount Elizabeth Medical Centre
Singapore 228510

Clinic Phone
: +65 6235 9535
Opening Hours
Mon - Fri
: 9:00am to 5:00pm
: 9:00am to 1:00pm
Sun & PH
: Closed
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