During these episodes, sleep is
interrupted and there are recurrent
dips in the blood oxygen levels, putting
stress on the heart. As a result, sleep is
unrefreshing and you would typically
feel sleepy and irritable throughout
OSA is common and a worsening global
health problem. Recent data from the
Singapore Health Study estimated that
30.5 percent of Singapore’s population
has moderate to severe OSA.
As obesity is a risk factor for OSA,
the prevalence of OSA is likely to rise
further in the face of the worsening
OSA is strongly associated with cardiovascular health risks. People with OSA are at increased risk of high blood pressure, coronary artery disease, heart attacks, abnormal heart rhythms, stroke and sudden death.
In particular, OSA has been associated with difficult-to-treat high blood pressure. In addition, OSA also increases the risk of other serious health complications, such as depression, diabetes and cognitive impairment. Many people with OSA suffer marked daytime sleepiness which impairs their executive function at work.
Their sleepiness also puts them at risk of motor vehicle accidents. All the above factors contribute to the significant impairment in the quality of life observed in people with OSA.
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