Tips for Taking Accurate Blood Pressure Readings at Home

Knowing your true blood pressure will put you in control and prevent overtreatment. Here are the rules you need to follow.

Blood pressure fluctuates predictably over a 24-hour period in response to Circadian rhythms and cortisol levels. A sharp rise occurs at 4 a.m. Blood pressure peaks between 6 a.m. and noon, drops around 1 to 2 p.m. It peaks again around 5 to 6 p.m., then drops by 15 percent overnight.
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