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Sleep Apnoea Study

Sysptoms of sleep Apnoea

  • Excessive snoring
  • Interruption of breathing during sleep
  • Fatigue and loss of energy
  • Excessive sleepiness during daytime
  • Morning headache
  • Poor judgement & loss of concentration
  • Irritability
  • Forgetfulness
  • Sexual dysfunction

More Information on Sleep Apnoea

Sleep apnoea becomes more and more common in Hong Kong. It is a condition in which a person stops breathing intermittently during sleep.
Obstructive Sleep Apnoea is the commoner type of sleep apnoea
Central Sleep Apnoea is the failure of Central Nervous System in sending breathing signal effectively.


Dangers on Sleep Apnoea

Frequent subconscious awakenings would interfere with restful sleep which affects daytime alertness and functioning. It may impair your working performance and cause traffic accidents. The consequences of severe untreated sleep apnoea include increased risks of hypertension, heart disease and stroke. Heavy snoring may also annoy the sleeping partners. In children, it can cause growth and developmental delay, behavioural problem and heart diseases as well.


The Study also provides assessment of all other sleep problems:

  • Chronic Insomnia - may be related to psychiatric or mood disturbance (such as anxiety disorder or depression), psychophysiologic insomnia, and alcohol or drug misuse. It causes sleepless nights resulting in poor concentration and disturbed emotion.
  • Excessive daytime sleepiness - due to breathing disorder during sleep, or the above causes of chronic insomnia; occasionally narcolepsy could be the cause. Kids would be considered as lazy and lack of concentration. Adults might be misunderstood to be late sleeping and not ambitious in work.

Sleep Study

After consultation with a doctor the patient may have to undergo sleep study to assess one's sleeping pattern such as snoring, breathing movements, blood oxygen circulation, etc. and it is carried out in a custom made single room.


The following data should be studied in a sleep test:

  • EEG
  • ECG
  • EMG
  • EOG
  • Snoring
  • Sleep Position
  • Oral & Nasal Flow
  • Limb Movement
  • Sa02 & Chest
  • Abdominal Effort

To be interpreted and explained by a specialist