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Doctors reveal why stroke risk is highest in the early morning hours
๐Ÿ‡ท๐Ÿ‡ธ Serbia /Health & Science

Doctors reveal why stroke risk is highest in the early morning hours

From N1 Serbia · () Serbian

Translated from Serbian, summarized and contextualized by DistantNews.

At a glance

News Named sources Context piece
  • The majority of stroke cases occur in the early morning hours, according to numerous studies.
  • Experts attribute this to natural biological changes in the body after waking, including thicker blood and less active clot-dissolving mechanisms.
  • Increased blood pressure upon waking, combined with blood's tendency to clot, elevates stroke risk in the morning.

While strokes can strike at any time, medical research consistently points to the early morning hours as the period of highest risk. Epidemiological data shows a significant concentration of stroke cases occurring between 6 a.m. and 12 p.m., a pattern that experts link to the body's natural physiological shifts after waking.

Stroke can occur at any time, but epidemiological data shows that the largest number of patients appear between six and 12 hours.

โ€” Dr. Fan KaprioVascular neurologist explaining the timing of stroke occurrences.

Neurologists explain that during sleep, blood pressure naturally decreases. However, upon waking, it begins to rise sharply. Simultaneously, blood tends to become thicker in the morning, making it more prone to clot formation. Natural mechanisms that normally break down blood clots are also less active during this time, creating a confluence of factors that can increase the likelihood of a stroke.

Recognizing stroke symptoms is critical, as the condition often lacks pain. Key indicators include sudden facial drooping, arm weakness, speech difficulties, vision problems, loss of balance, or numbness, particularly on one side of the body. The BE FAST acronym (Balance, Eyes, Face, Arms, Speech, Time) serves as a quick guide for identifying potential strokes, emphasizing the urgency of immediate medical attention.

Blood is thicker in the morning and more prone to clot formation. At the same time, natural mechanisms that break down clots are less active then.

โ€” Dr. Gregory AlbersDirector of the Stroke Center at Stanford University explaining morning blood characteristics.

Doctors stress that while symptoms like weakness or numbness might be mistaken for nerve or spinal issues, the sudden onset is a hallmark of stroke. Unlike gradual conditions, stroke symptoms appear abruptly. Experts also note that a significant majority of strokes, up to 80%, are preventable through healthy lifestyle choices.

If the symptoms develop gradually over several days, it is more likely that the cause is some other illness.

โ€” Gregory AlbersNeurologist differentiating stroke from other conditions based on symptom onset.
DistantNews Editorial

Originally published by N1 Serbia in Serbian. Translated, summarized, and contextualized by our editorial team with added local perspective. Read our editorial standards.