A cross-sectional study of approximately 4,600 adults has found that higher potassium intake, particularly at dinner, was associated with fewer insomnia symptoms, according to a report published in the journal Nutrients. The analysis drew on data from the National Health and Nutrition Examination Survey (NHANES) and assessed dietary intake using 24-hour recall interviews. Researchers reported that participants who consumed more potassium, especially during the evening meal, reported fewer sleep difficulties.
The study’s authors noted that potassium may aid sleep by helping muscles relax and regulating nighttime blood pressure, according to the report [1]. The findings add to a growing body of evidence that specific nutrients can influence sleep quality without the side effects associated with pharmaceutical sleep aids. Willow Tohi, writing for NaturalNews.com, described the results as part of a broader understanding of how diet affects restorative rest [2].
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