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Does Your Blood Pressure Drop When Sleeping

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Orthostatic Hypotension Blood Pressure When You Stand Up From Sitting Or Lying Down

Better sleep to lower blood pressure

If you stand up from a sitting or lying down position and experience orthostatic hypotension, it is likely that your systolic blood pressure has decreased at least 20 mm/HG or your diastolic blood pressure has decreased at least 10 mm/HG within three minutes of standing. It is not uncommon to feel a slight drop in blood pressure and, perhaps, experience a slight lightheaded feeling, but when the feeling lasts for a few minutes and when it happens on a regular basis, you should see a doctor. Orthostatic hypotension or postural hypotension can be a sign of a serious health problem.

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The Connection Between Sleep Apnea And High Blood Pressure

Now that Ive convinced you of the importance of sleep, what should you do? If you go to sleep late voluntarily, stop it. Listen to your mom from when you were a teenager: go to bed on time. Go to bed at the same time every night.

But if you dont sleep well, and its not by choice, its worthwhile getting tested for sleep apnea.

Sleep apnea is a huge underlying contributor to hypertension, and its not looked at enough. In one study63, people with high blood pressure were compared to people without high blood pressure. The researchers made sure that both groups had the same age, gender, and weight. But the big difference was this: of those with normal blood pressure, only 4% of them had sleep apnea. But of those with high blood pressure, 38% of them had sleep apnea.

This was in normal hypertension. But in one study of whats called resistant hypertension, the difference is even more stark. First of all, whats resistant hypertension? Resistant hypertension is defined as having blood pressure over 140/90, despite taking at least 3 medications for high blood pressure, at their maximal doses. In short: resistant hypertension is when medications arent lowering blood pressure. In people with this type of hypertension, as much as 83% of them have sleep apnea, according to a study64 on unrecognized sleep apnea.

So the first step would be to go to your doctor, and ask for the test .

This is even if:

  • Youre not sleepy during the day
  • You dont wake up with a dry mouth

Sleep And Coronary Artery Disease

People with obstructive sleep apnea have been shown to have higher rates of coronary artery disease . There are two main reasons why this may occur:

  • OSA increases the risk for high blood pressure, which is a known cause of CAD.
  • The events that occur during OSA can put great stress on the heart and worsen existing disease.
  • CAD limits the flow of blood due to narrow arteries. This prevents the right amount of oxygen from reaching the heart. Sleep apnea also causes the blood oxygen level to drop during pauses in breathing. This leads to a rise in the heart rate and blood pressure. An extra strain is put on the heart. The amount of oxygen sent to the heart decreases at the time when the heart needs more oxygen. Studies have shown that the presence of OSA increases the risk of death from CAD. But if the sleep apnea is treated, death due to CAD is reduced.

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    How To Combat Hypertension With Sleep

    There is good news if you are battling hypertension. Symptoms can be caught quickly with regular physicals. The treatment for high blood pressure is manageable. Simple changes to diet, exercise and sleeping habits can make a huge difference in your life.

    If you have a history of high blood pressure in your family, it is a good idea to keep up with regular check ups because hypertension is hereditary. Catching it earlier will lower your risk of bigger issues down the line.

    While diet and exercise are extremely important to treating hypertension, sleep is a daily activity that most neglect in their treatment plan. By changing how you sleep and what you sleep on, you can greatly impact your blood pressure.

    Choose a Comfortable Mattress

    If you feel groggy and in pain in the morning, it may be a sign that it is time to upgrade your mattress. Traditional innerspring mattresses typically start becoming less comfortable around the eighth year of use. If youre over that amount of time, you might be sleeping poorly and not even realizing it because youve become accustomed to how youre sleeping now.

    Choose the best mattress for your sleeping style to make sure you are as comfortable as possible as you sleep. Less tossing and turning in the middle of the night means more time getting good, restful sleep. Your body will rejuvenate from the days work and stress as well as allow you to sleep longer through the night without interruption.

    Practice Healthy Sleeping Habits

    Abnormal Blood Pressure Levels While Sleeping Increase Risk Of Heart Disease Stroke

    Sleep and Hearth Health

    Research Highlights:

    • Nighttime blood pressure levels that are higher than daytime levels, as well as a pattern of blood pressure rising at night , were associated with higher risk of cardiovascular disease and heart failure.
    • Even when blood pressure is well controlled during the day, patients who experienced extreme dips in their blood pressure while asleep had a significantly greater risk of stroke compared to those who had normal blood pressure while sleeping.
    • Management of blood pressure while sleeping should be a key consideration for health care professionals to help optimize patient outcomes.

    Embargoed until 4 a.m. CT/5 a.m. ET Monday, Nov. 2, 2020

    DALLAS, Nov. 2, 2020 People who experience high blood pressure while sleeping are more likely to experience future cardiovascular disease especially heart failure, even when their daytime blood pressure is within normal ranges, according to new research published today in the American Heart Associations flagship journal Circulation.

    Health care professionals typically use in-office and daytime blood pressure measurements to determine a patients hypertension medication needs and dosages. However, many patients may have undetected nocturnal hypertension high blood pressure while sleeping.

    The analysis indicates:

    This study was financially supported in part by a grant from the Foundation for the Development of the Community .

    Additional Resources:

    About the American Heart Association

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    How To Take Your Own Blood Pressure Effectively

    When taking your own blood pressure, its important to take it the right way to get accurate results. When and how you take your own BP can affect your results. Blood-pressure monitoring tips include:

    • Take it easy before taking your BP. Rest for at least five minutes before your first measurement. Dont smoke, drink caffeinated beverages or exercise for 30 minutes before taking your BP. Dont talk while taking your BP.
    • Take your BP with an empty bladder.
    • Sit correctly. Sit with your back straight and well-supported make sure not to cross your legs and keep your feet flat on the floor.
    • Position your arm correctly. Keep your upper arm at heart level. The way to do this will be a little different depending on whether youre using a wrist or upper-arm monitor, so follow the instructions for your device. Dont place blood pressure cuffs over your sleeves
    • Measure at the same time every day. Many doctors will recommend taking your BP in the morning and evening. Dont take your BP right after you wake up.
    • Take more than one reading and track your results. Take two or three readings about one minute apart. Some OMRON devices do this automatically and then give you an average of your readings. Take your monitor with you to doctor appointments. Some monitors called, wireless or connected, will allow you to store, track and share your results with your doctor from your mobile device.

    Icipants Treatment And Diagnostic Criteria

    Between 2008 and 2015, we recruited 18 731 persons who fulfilled the inclusion/exclusion criteria, with 18 158 providing all required information for study. The other 573 individuals were excluded due to inadequate ABPM sampling at baseline and non-consent for follow-up ABPM evaluations. Additionally, 80 participants were excluded due to lack of the required 1-year minimum follow-up. Thus, the final evaluated population for the hypotheses tested herein is 18 078 persons . Hypertension was defined according to current ABPM criteria: awake systolic blood pressure /diastolic blood pressure mean 135/85mmHg, or asleep SBP/DBP mean 120/70mmHg, or BP-lowering treatment., According to these ABPM criteria, 15 674 participants were hypertensive at the time of recruitment and assigned, as previously described, either to ingest the entire dose of at least one BP-lowering medication at bedtime or all of them upon awakening . Participating physicians were given the choice of prescribing any medication of their choice from any of the five listed recommended therapeutic classes as first-line therapy in untreated participants and combination therapy for uncontrolled individuals. If, based on the ABPM threshold criteria provided above, the ABP of a given patient remained uncontrolled at any time during follow-up when treated with medication at the maximum recommended dose, additional therapy could be added in keeping with current clinical practice guidelines.

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    How Is Sleep Apnea And High Blood Pressure Related

    Patients with untreated sleep apnea are 2.6 times more likely to suffer from heart disease and heart failure than adults who do not suffer from sleep apnea. Through observations, patients with sleep apnea do not experience a drop in blood pressure at night probably because the brain is working harder to keep your body breathing at night. People without sleep apnea do experience a drop in blood pressure at night. This dip is normal because the heart will slow down at night to allow it to recover.

    Blood oxygen levels in a healthy body are also supposed to increase at night. When someone is struggling to breathe during the night, their blood oxygen levels do not have the opportunity to decrease at night, thus increasing blood pressure. All of this leads to high blood pressure and, eventually, if left untreated, heart disease.Its important to note there has been a link discovered between hypertension and Obstructive Sleep Apnea. It is less clear if there is a connection between Central Sleep Apnea and hypertension.

    If You Notice A Sudden Decline In Blood Pressure

    Can Napping Lower Your Blood Pressure

    A single lower-than-normal reading is not cause for alarm, unless you are experiencing any other symptoms or problems. If you experience any dizziness, lightheadedness, nausea or other symptoms, its a good idea to consult with your healthcare provider. To help with your diagnosis, keep a record of your symptoms and activities at the time they occurred.

    Is low blood pressure related to low heart rate? Find out.

    Written by American Heart Association editorial staff and reviewed by science and medicine advisers. See our editorial policies and staff.

    Last Reviewed: Oct 31, 2016

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    You Shouldn’t Ignore White Coat Hypertension

    Some people experience white coat hypertension, when blood pressure is elevated in the doctor’s office but not in other settings. These patients need to monitor their blood pressure at home or wear an ambulatory blood pressure monitor that takes your blood pressure every 30 minutes for 24 hours.

    While white coat hypertension was formerly considered simple nervousness, recent research suggests otherwise.

    A study published in the journal Hypertension found that people with white coat hypertension are at a significantly greater risk for developing sustained high blood pressure than people who have normal blood pressure. One possible explanation is that people with white coat hypertension have a harder time managing stress and anxiety.

    Office Blood Pressure Measurement And Ambulatory Blood Pressure Monitoring

    Table reports the Cox proportional-hazard model derived adjusted-HR of CVD outcome calculated on the basis of the baseline OBPM and ABP evaluations per participant. The asleep SBP mean was the most significant BP marker of CVD risk . Interestingly, a greater either morning or pre-awakening BP surge calculated as previously defined was significantly associated with lower, not higher, CVD risk , a finding consistent with the highly significant association between greater sleep-time relative BP decline and attenuated risk. The merit of the asleep SBP mean as marker of CVD risk was highly significant independent of absence/presence of hypertension therapy at baseline or treatment-time schedule during follow-up, i.e. for hypertensive participants of the awakening vs. bedtime-treatment-schedule groups analysed separately. The same conclusions regarding the significantly greater value of asleep SBP as risk marker were also obtained from analysis of total events as outcome variable.

    Table reports the HR of CVD based on OBPM and ABPM of the final evaluation. The findings are similar to those described above for the corresponding baseline evaluation , thereby providing further evidence for the greater value of the asleep BP mean and sleep-time relative BP decline compared to any of the other ABP characteristics analysed separately as potential individual markers of CVD risk .

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    Blood Pressure Is Linked To Other Medical Issues

    High blood pressure can be the first indication of a serious underlying condition. When a patient comes in with high blood pressure, doctors will check their urine and kidney function do an electrocardiogram to check the size of the heart and look for lung changes.

    Stress on the blood vessels makes people with hypertension more prone to heart disease, peripheral vascular disease, heart attack, stroke, kidney disease and aneurysms. Correspondingly, chronic conditions such as diabetes, kidney disease, sleep apnea and high cholesterol increase the risk for developing high blood pressure.

    In some women, pregnancy can contribute to high blood pressure, leading to preeclampsia. Postpartum blood pressure typically goes back to normal levels within six weeks. However, some women who have high blood pressure during more than one pregnancy may be more likely to develop high blood pressure and other cardiovascular diseases as they age.

    Some of these medical issues can also cause spikes in high blood pressure .

    High Blood Pressure During Sleep

    12 Shocking Causes of High Blood Pressure

    Question: What would cause blood pressure to spike extremely high while sleeping? Should one be able to see and feel it when it does this?

    Answer: My number one concern from your query is whether we are dealing with obstructive sleep apnea. This common condition, associated with obesity, can cause many problems, including high blood pressure. Normal individuals have a dip in blood pressure during the night. Other individuals have a paradoxical nocturnal rise in blood pressure. Obstructive sleep apnea typically associates with snoring and episodes of disturbed breathing during the night. In addition to a personal history and physical examination, interviewing the patients sleep partner is a first step in diagnosing the condition. A formal sleep study can clinch the diagnosis. Treatment involves weight loss and a breathing device to be worn at night. Treatment of obstructive sleep apnea can help control high blood pressure and can increase alertness during the day, in addition to other health benefits.

    Most often, increases in blood pressure do not cause symptoms. This is one of the reasons that this risk factor is so pernicious. An individual can feel perfectly well, yet have high blood pressure that predisposes to cardiovascular events.

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    Blood Pressure Measurement Part : Lying And Standing Blood Pressure

    15 July, 2007

    VOL: 103, ISSUE: 20, PAGE NO: 24

    Phil Jevon, PGCE, BSc, RN, is resuscitation officer/clinical skills lead, Manor Hospital, Walsall, and honorary clinical lecturer, University of Birmingham Medical School

    John Holmes, MA, Cert Ed, DPNS, RMN, RN, is senior lecturer, pre-registration adult nursing, University of Wolverhampton

    In healthy patients there is normally little difference between lying and standing blood pressure.

    However, a significant fall can occur in older people, patients with diabetes and those with symptoms suggesting postural hypotension . It is advisable to measure both lying and standing blood pressure routinely in these patients.

    Blood pressure measurement in the presence of atrial fibrillation, particularly when the ventricular rhythm is extremely irregular, is unreliable and may be improved with repeated measurements. Some automated devices may provide unreliable readings in the presence of atrial fibrillation . Auscultation using a mercury device may provide a more accurate reading.

    Could You Sleep Away High Blood Pressure

    Resistant hypertension is defined as blood pressure that remains above a goal target when at least three medication therapies, including a diuretic, fail to control the blood pressure. This affects an estimated 13 percent of the population with high blood pressure, also known as hypertension. For those with sleep apnea, in addition to resistant hypertension, a new study finds patients who were treated with continuous positive airway pressure experienced a drop in blood pressure levels.

    Lead researcher of the study, Dr. Miguel-Angel Martinez-Garcia, Polytechnic University Hospital in Valencia, said in a recent article The prevalence of sleep apnea in patients with resistant is very high. How common? Experts estimate three out of every four people with resistant hypertension also suffer from the obstructive sleep disorder. Treating sleep apnea with 12 weeks of CPAP use can help return the nocturnal blood pressure to normal levels. Long-term benefits have not been determined for sustained improvements, health outcomes and require additional studies.

    More than Sleep Apnea

    A Better Nights Rest

    Oklahoma Heart Institute offers a comprehensive Resistant Hypertension Clinic. Click here to learn more.

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    Deal With Your Sinus Problems

    If you are having problems breathing due to nasal congestion, which in turn is causing you to snore, try using a neti pot to clean your sinuses with saline solution first thing in the morning and just before bed. This can help rinse out allergens, as well as bacteria so as to prevent sinus infections.

    If suddenly exposed to allergens, you can also use a neti pot to rinse your nose out . Note that you shouldnt use it more than three times a day though.

    Other remedies may help your sinuses too ranging from over the counter allergy meds and nasal sprays, to anti-inflammatory medication and an anti-inflammatory diet. You may also want to try to eliminate allergens in your sleeping area.

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