High blood pressure (also called hypertension) is a major risk factor for serious complications of diabetes. Beyond diabetes, high blood pressure can also lead to cardiovascular disease (heart attack and stroke), kidney problems and dementia (memory loss). Until recently, experts thought that the goal of treatment was to control blood pressure over a complete 24-hour period. However, we know that for the general population (people without hypertension), blood pressure levels fall overnight when sleeping. Researchers are now publishing new findings from a large clinical trial suggesting that for people with hypertension, taking medicines to lower blood pressure at night results in better overall control of blood pressure, compared to taking the same medicines in the morning. Also, taking blood pressure medicine at night lowers risk of heart attack, heart failure, stroke, and early death due to cardiovascular disease. This study also found that taking blood pressure lowering medicines at night is as safe as taking them in the morning.
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