How Sleep Deprivation Affects Your Heart

Sleep is essential for a healthy heart. People who don’t sleep enough are at higher risk for cardiovascular disease—regardless of age, weight, smoking and exercise habits. One study that examined data from 3,000 adults over the age of 45 found that those who slept fewer than six hours per night were about twice as likely to have a stroke or heart attack as people who slept six to eight hours per night. It’s not completely clear why less sleep is detrimental to heart health, but researchers understand that sleeping too little causes disruptions in underlying health conditions and biological processes like glucose metabolism, blood pressure, and inflammation. REM sleep begins with signals from an area at the base of the brain called the pons. These signals travel to a brain [...]