Sleep is essential to our well-being. But we’re still learning how it helps prevent disease. One surprising finding? Deep-sleep brain waves reboot the body’s sensitivity to insulin, resulting in a more effective control of blood sugar the next day…

Brain shrinkage is linked with aging and cognitive decline. So the more we know about pumping up the volume, the better. Despite research linking the habit to health problems, going down for a nap may be the easiest way to keep your brain volume up…

Since specific foods offer brain protection, you could say defeating Alzheimer’s starts in the kitchen. But there’s another room where you’re likely doing something that increases your sensitivity to oxidative stress and invites damaging plaques and tangles to take up in your brain…

Have you gone to bed too soon after a slice of pizza, only to toss and turn with indigestion? Junk food can do far worse. It appears to be a culprit in altering slow-wave brain activity essential to the deep restorative sleep that “cleans” toxins from your brain…

When you don’t turn off all the bedroom lights, processes in your body that normally shut down after dark keep going. And when they’re running overtime, they impair glucose and cardiovascular regulation — risk factors for a metabolic nightmare…

Do you often wake up in a puddle of drool? Is your mouth drier than the Mojave desert in the morning? These are annoying signs of a common issue that can impact your health far more seriously than you ever dreamed. From bad teeth to low oxygen, mouth breathing takes a toll…

Obstructive sleep apnea (OSA) is a disorder that causes a person to stop breathing multiple times during the night. It often goes untreated in people at high risk for cardiovascular disease, although up to 80 percent of people with heart disease also have OSA. Here’s everything you should know about this serious health threat…

Research has established a definite link between poor sleep and cognitive disorders like Alzheimer’s. Sleep medication seems the easy answer, but some of those can also raise dementia risks. But there’s a new pill on the block, and researchers think it has potential to lower amyloid and tau…

Obstructive sleep apnea steals your sleep and worse, the oxygen your body needs. That struggle to breathe may be your brain’s biggest enemy. That’s because even if you’re otherwise healthy, sleep apnea can put you squarely in the crosshairs of premature cognitive decline.

The most noticeable symptom of peripheral artery disease is pain and cramping caused by poor blood flow to the muscles in the legs. It occurs most often when walking, but you may be surprised how much sleep has to do with it…

A lot of us don’t spend enough time in the bedroom. Then again, some of us could be spending a little too much time there. Why does it matter? Your time between the sheets has been linked to how well you can fight off infection.

Studies have shown that not sleeping enough and having irregular bedtimes and wake-up times can put your heart at risk. Now, researchers have connected the dots between poor sleep and a major risk factor for heart disease and stroke…