In adults, and now in teens, poor sleep is linked to cardiovascular risk

Did you sleep well last night? If not, you’re in good company. About a third of American adults don’t get the recommended seven hours of sleep per night, according to the Centers for Disease Control and Prevention. Many people don’t get enough sleep or sleep poorly because of their jobs or hectic schedules — they work long shifts at night or have to rush to get their kids ready to catch a 6 a.m. school bus. Some 50 million to 70 million Americans have a chronic sleep disorder such as insomnia or sleep apnea, a condition in which breathing repeatedly stops and starts throughout the nig