Sleep Stroke: The Hidden Risk at Night

A sleep stroke, also known as a “wake-up stroke,” occurs when blood flow to the brain is blocked or a vessel bursts during sleep. Unlike daytime strokes, the symptoms often appear only after waking, which can delay medical attention and increase the severity of the outcome.

Why They’re Dangerous

Because treatment is most effective within a short window, delayed recognition makes sleep strokes particularly serious. By the time a person wakes up, valuable hours may already have passed, limiting available treatment options.

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