Surprising symptom reveals hidden high blood pressure

High blood pressure isn't something you can see or feel, so unless you're making regular trips to the doctor's office -- or at least rolling up your sleeve for that machine at the drug store -- you may not even know you have it.

That's why hypertension is often called "the silent killer."

But there's one surprising warning sign that could alert you when your BP is starting to tick upward.

Sleep problems.

If you're having trouble falling asleep at night, but still find yourself alert in the day -- in fact, if you feel more awake than ever -- it may not just be a sign that you've been blessed with less need for sleep than the average Joe.

It could be a warning sign of high blood pressure. (Or another often overlooked condition that I'll tell you more about in just a moment.)

In one new study, folks with sleep problems were given a chance to take a nap during the day. Those who were able to get some quick rest had normal blood pressure levels for the most part.

But those who took more than 14 minutes to fall asleep during the day -- or couldn't fall asleep at all -- were three times more likely to suffer from high blood pressure.

If this sounds a little too familiar, them maybe it's time for a checkup.

And even if you don't have high blood pressure, there's no reason to toss and turn at night. Natural sleep solutions such as melatonin as well as herbal remedies such as chamomile and passionflower can help you get the rest you need.

But don't stop there. Insomnia combined with what's known as hyperarousal -- extra alertness during the day -- can also be an early warning sign of stressed out adrenals, aka adrenal fatigue.

That's when your adrenals pump out higher levels of stress hormones such as cortisol, which also increases blood pressure.

Unfortunately, the hyperarousal won't last. Eventually you'll pay the price and feel more fatigued than ever -- so along with the natural sleep solutions I mentioned above, be sure to take an adrenal-supporting supplement such as ashwagandha.