[dcwsb inline=”true”]Poor Sleep and Hypertension

When you mess with your body’s intrinsic need for regular, high-quality sleep, it sets off a cascade of biological changes that can seriously impact your health. The trouble is, of course, that many people don’t intentionally neglect proper sleep; instead, they simply can’t fall asleep or stay asleep once they do … and this, unfortunately, increases your risk of developing serious chronic diseases.



In a study presented at the American Heart Association High Blood Pressure Research 2012 Scientific Sessions, researchers found a strong link between sleep quality and a type of high blood pressure known as resistant hypertension, which does not respond to typical drug-based treatments.

In fact, women who had resistant hypertension were five times as likely to also have poor sleep quality. While the average length of sleep in this study was only 6.4 hours a night (and nearly half slept fewer than six hours each night), it was sleep quality, not quantity, that appeared to influence hypertension risk.

While this study only found an association with women, other studies have also linked hypertension in men to a lack of deep sleep,1 and sleeping fewer than seven hours a night has been linked to hypertension in both men and women.


If you sleep less than six hours a night, defined as “partial sleep deprivation,” you may not only be increasing your risk of high blood pressure but also obesity (a known high blood pressure risk factor).

New research found that partial sleep deprivation is associated with obesity and alters your food intake by disrupting key hormones involved with regulating metabolism and appetite.

[quote]“Reduced sleep may disrupt appetitive hormone regulation, specifically increasing ghrelin [a hormone that triggers hunger] and decreasing leptin [the hormone that tells your brain you’re full] and, thereby, influence energy intake. Increased wakefulness also may promote food intake episodes and energy imbalance,”[/quote]  the researchers said.

Reduced insulin sensitivity was also noted among the sleep-deprived subjects, and this not only increases your risk of diabetes but also high blood pressure!


Lack of sleep interferes with metabolism and hormone production in a way that is similar to the effects of aging and the early stages of diabetes. It’s long been known, in fact, that sleep deprivation increases your diabetes risk … so it’s not at all surprising that it also increases your risk for high blood pressure, because the two are caused by essentially the same factors.

High blood pressure, like diabetes, is typically related to your body developing resistance to insulin. As your insulin level rises, your blood pressure rises. Most physicians – even cardiologists – do not understand the crucial connection between blood pressure, blood sugar levels, and insulin.


If you’re a teenager who plays sports (or the parent of one), here’s one more reason to make sure you get a restful night’s sleep. Teen athletes who slept for eight or more hours each night were 68 percent less likely to get injured than those who slept less, according to a study presented at the American Academy of Pediatrics (AAP) National Conference and Exhibition.
Perhaps these teens are simply more alert on the field than their less rested teammates, or maybe there is another role sleep plays in helping protect your body from harm. Either way, teenagers are notorious for staying up too late or falling asleep while watching TV or using a computer, which may interfere with their sleep quality. Yet, on average, children and teens need more sleep than adults. Making sure your teen learns healthy sleep habits early on is important not only for injury prevention, but also for preventing chronic diseases like high blood pressure and diabetes down the line.


Making some adjustments to your sleeping area can also go a long way to ensure uninterrupted, restful sleep. Here's how to start:

1. Cover your windows with blackout shades or drapes to ensure complete darkness. Even the tiniest bit of light in the room can disrupt your pineal gland's production of melatonin and the melatonin precursor serotonin, thereby disrupting your sleep cycle.

So close your bedroom door, get rid of night-lights, and refrain from turning on any light during the night, even when getting up to go to the bathroom. If you have to use a light, install so-called “low blue” light bulbs in your bedroom and bathroom. These emit an amber light that will not suppress melatonin production.

2. Keep the temperature in your bedroom at or below 70 degrees F (21 degrees Celsius). Many people keep their homes and particularly their upstairs bedrooms too warm. Studies show that the optimal room temperature for sleep is quite cool, between 60 to 68 degrees F (15.5 to 20 C). Keeping your room cooler or hotter can lead to restless sleep.

3.Check your bedroom for electro-magnetic fields (EMFs). These can also disrupt your pineal gland's production of melatonin and serotonin, and may have other negative effects as well. To do this, you need a gauss meter. You can find various models online, starting around $50 to $200. Some experts even recommend pulling your circuit breaker before bed to kill all power in your house.

4. Move alarm clocks and other electrical devices away from your head. If these devices must be used, keep them as far away from your bed as possible, preferably at least three feet.

5. Reduce use of light-emitting technology, such as your TV, iPad, and computer, before going to bed. These emit the type of light that will suppress melatonin production, which in turn will hamper your ability to fall asleep, as well as impact your cancer risk (melatonin helps to suppress harmful free radicals in your body and slows the production of estrogen, which can activate cancer). Ideally, you'll want to turn all such light-emitting gadgets off at least one hour prior to bedtime.