WEDNESDAY, Feb. 1 (HealthDay News) -- Sleep apnea, the disorder marked by abnormal pauses in breathing during sleep, is already known to boost the risk of stroke. Now, a new study links sleep apnea to so-called silent strokes, in which there is tissue death in the brain without symptoms.


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A common sleep disorder is associated with an increased risk of symptomless, but serious, strokes called “silent strokes,” German researchers report.


Having severe sleep apnea may make people more at risk for silent strokes and small brain lesions, researchers found.


Sleep apnea, the disorder that causes a person to stop breathing suddenly while sleeping, is already known to increase the risk of high blood pressure, heart failure, stroke and daytime sleepiness. And a new study suggests that the sleep disorder is also linked with small brain lesions and a symptomless form of stroke, known as silent stroke.