New research indicates that people who have hypertension, especially those who are at extra risk from heart and kidney disease, may benefit from taking their medicine at night instead of in the morning. Italian researchers found that almost 90% of 32 "non-dippers" -- blood-pressure patients whose levels don't drop even at night -- posted a seven-point drop in their nighttime blood pressure once they swapped the dosage time of one of their medicines from morning to night.

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