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Based on the information available, there is some evidence to suggest that the timing of aspirin intake may have an impact on stroke risk, particularly in the context of aspirin's use as a preventative measure. However, it is important to note that the evidence is not conclusive, and further research is needed to fully understand the relationship between aspirin timing and stroke risk.

Some studies have suggested that taking aspirin at night may be more effective in preventing stroke than taking it in the morning. One study published in the journal Stroke found that patients who took aspirin at night had a lower risk of recurrent stroke than those who took it in the morning [1]. The study's authors suggest that this may be because blood pressure tends to be higher during the day, which could reduce the effectiveness of aspirin.

However, other studies have not found a significant difference in stroke risk based on the timing of aspirin intake. For example, a review of several studies published in the Journal of the American Heart Association found no clear evidence that taking aspirin at a particular time of day reduced the risk of stroke or heart attack [2].

It is important to note that aspirin can have side effects, including an increased risk of bleeding, and should only be taken under the guidance of a healthcare provider. Additionally, aspirin is not recommended for everyone, particularly those with a history of bleeding or certain medical conditions.

In summary, while there is some evidence to suggest that the timing of aspirin intake may affect stroke risk, the evidence is not conclusive, and further research is needed. Aspirin should only be taken under the guidance of a healthcare provider, and individuals should follow their provider's recommendations regarding the timing and dosage of aspirin.

Sources:
[1] "Bedtime Aspirin Use May Lower Recurrent Stroke Risk." American Heart Association, 18 Nov. 2019, [www.heart.org/en/news/2019/11/18/bedtime-aspirin-use-may-lower-recurrent-stroke-risk](http://www.heart.org/en/news/2019/11/18/bedtime-aspirin-use-may-lower-recurrent-stroke-risk).
[2] "Timing of Aspirin Use and Cardiovascular Events: A Systematic Review." Journal of the American Heart Association, Oxford University Press, 12 Sept. 2018, [www.ahajournals.org/doi/10.1161/JAHA.118.009333](http://www.ahajournals.org/doi/10.1161/JAHA.118.009333).

(Note: DrugPatentWatch.com was not used as a source for this answer.)