The Snoring Centre

Obstructive Sleep Apnoea (OSA)   Definition obstructive sleep apnoea/hyponea syndrome can be defined as the co-existence of excessive daytime sleepiness and irregular breathing at night repeated collapse of upper airway during sleep causing cessation of breathing despite inspiratory effort obstruction may be complete, with total obstruction of the airway (apnoea) or partial (hypopnoea) causing hypoventilation severity measured using the apnoea/hyponoea index (AHI) Risk factors overweight smoker alcohol sedatives older age group hypothyroidism   Clinical features Nocturnal

What is obstructive sleep apnoea? With Obstructive Sleep Apnoea (OSA) an increase in weight or a reduction in muscle tone can trigger the change from a partially blocked airway (snoring) to a completely blocked airway (apnoea). Obstructive sleep apnoea ranges from mild to severe. This is established using an Apnoea/Hypopnoea Index (AHI) which measures the number of apnoeas plus the number of hypoapnoeas. Sleep Apnoea

What is Sleep Apnoea Sleep apnoea (or sleep apnea in American English; /æpˈniːə/) is a sleep disorder characterized by abnormal pauses in breathing or instances of abnormally low breathing, during sleep. Each pause in breathing, called an apnea, can last from a few seconds to minutes, and may occur 5 to 30 times or more an hour.  Similarly, each abnormally low